Veer

Free PDF Download of CBSE Chemistry Multiple Choice Questions for Class 12 with Answers Chapter 12 Aldehydes, Ketones, and Carboxylic Acids. Chemistry MCQs for Class 1 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Chemistry Aldehydes, Ketones and Carboxylic Acids MCQs Pdf with Answers to know their preparation level.

Aldehydes, Ketones and Carboxylic Acids Class 12 Chemistry MCQs Pdf

Chemistry MCQ Questions for Class 12 Pdf Question 1.

Answer/Explanation

Answer: d
Explaination:

---

2. Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and cone. HCl is called:
(a) Cope reduction
(b) Dow reduction
(c) Wolff Kishner reduction
(d) Clemensen reduction

Answer/Explanation

Answer: d
Explaination:

---

Chemistry MCQs for Class 12 Chapter wise Pdf Question 3. Acetophenone when reacted with base C₂H₅—ONa, yields a stable product:

Answer/Explanation

Answer: d
Explaination:

---

Chemistry MCQs for Class 12 Chapterwise Question 4.

reacts with ch1oobenzene in presence of conc. H₂SO₄ produces

Answer/Explanation

Answer: c
Explaination:

---

Chemistry MCQs for Class 12 with Answers Pdf Question 5. Propanoic acid with Br₂/P₄ yields a dibromo product. The structure will be

Answer/Explanation

Answer: c
Explaination: (c) ∵ α-hydrogens are replaced by Br atoms.

---

Chemistry MCQs for Class 12 Question 6.

Answer/Explanation

Answer: b
Explaination:

---

7. CH₃CHO and C₆H₅ CH₂CHO can be distinguished chemically by
(a) Benedict’s test
(b) Iodoform test
(c) Tollen’s reagent test
(d) Fehling’s solution test

Answer/Explanation

Answer: b
Explaination:

---

8.

Answer/Explanation

Answer: c
Explaination:

---

9. Which is most reactive towards Nucleophilic substitution reaction?
(a) Benzaldehyde
(b) Acetophenone

Answer/Explanation

Answer: c
Explaination:
(c) ∵ Nitro group is electron withdrawing.

---

10. Which of the following is not soluble in NaHCO₃?
(a) 2, 4, 6-Trinitrophenol
(b) Benzoic acid
(c) o-Nitrophenol
(d) Benzene sulphonic acid

Answer/Explanation

Answer: c
Explaination: (c) o-Nitrophenol is weakly acidic.

---

11. A single compound of the structure

is obtained from ozonolysis of which of the following compound?

Answer/Explanation

Answer: c
Explaination:

---

12. Which among the given molecules can exhibit tautomerism?

(a) III only
(b) Both I and III
(c) Both I and II
(d) Both II and III

Answer/Explanation

Answer: a
Explaination:

---

13. The product formed by the reaction of an aldehyde with a primary amine is
(a) Carboxylic acid
(b) Aromatic acid
(c) SchifTs base
(d) Ketone

Answer/Explanation

Answer: c
Explaination:

---

14.

Answer/Explanation

Answer:
Explaination:

---

15. The correct order of increasing acidic strength is ____________ . [NCERT Exemplarl
(a) Phenol < Ethanol < Chloroacetic acid < Acetic acid
(b) Ethanol < Phenol < Chloroacetic acid < Acetic acid
(c) Ethanol < Phenol < Acetic acid < Chloroacetic acid
(d) Chloroacetic acid < Acetic acid < Phenol < Ethanol

Answer/Explanation

Answer: c
Explaination:
(c) It is because C₂H₅O^⊖ is least stable and chloroacetate ion is most stable.

---

16. Compound

can be prepared by the reaction of __________ . [NCERT Exemplar]
(a) Phenol and benzoic acid in the presence of NaOH
(b) Phenol and benzoyl chloride in the presence of pyridine
(c) Phenol and benzoyl chloride in the presence of ZnCl₂
(d) Phenol and benzaldehyde in the presence of palladium

Answer/Explanation

Answer:
Explaination:

---

17. Cannizaro’s reaction is not given by ____________ . [NCERT Exemplar]

Answer/Explanation

Answer: d
Explaination: (d) Because it has α-hydrogen.

---

Note: In the following questions two or more options may be correct. (Q.18 to Q.21)
18. Which of the following compounds do not undergo aldol condensation? [NCERT Exemplar]

Answer/Explanation

Answer:
Explaination:
(b) and (d) because these do not have α-hydrogen.

---

19. Treatment of compound

with NaOH solution yields [NCERT Exemplar]
(a) Phenol
(b) Sodium phenoxide
(c) Sodium benzoate
(d) Benzophenone

Answer/Explanation

Answer:
Explaination:

---

20. Benzophenone can be obtained by ____________ . [NCERT Exemplar]
(a) Benzoyl chloride + Benzene + AlCl₃
(b) Benzoyl chloride + Diphenyl cadmium
(c) Benzoyl chloride + Phenyl magnesium chloride
(d) Benzene + Carbon monoxide + ZnCl₂

Answer/Explanation

Answer:
Explaination:

---

21. Correct order of decreasing reactivity of nucleophillic addition in case of HCHO, CH₃CHO and CH₃COCH₃ is
(a) CH₃ COH₃ > CH₃CHO > HCHO
(b) HCHO > CH₃CHO > CH₃COCH₃
(c) CH₃COCH₃ > HCHO > CH₃CHO
(d) CH₃CHO > HCHO > CH₃COCH₃

Answer

Answer: b

---

22. The reagent with which both acetaldehyde and acetone react easily is
(a) Fehling’s reagent
(b) Grignard’s reagent
(c) Schiff’s reagent
(d) Tollen’s reagent

Answer

Answer: b

---

23.
The above chemical reaction represents
(a) Rosenmund’s reaction.
(b) Cannizaro’s reaction.
(c) Kolbe’s reaction,
(d) Etard’s reaction.

Answer

Answer: b

---

24. For distinction between pentan-2-one and pentan-3-one, which reagent can be employed?
(a) K₂Cr₂O₇/H⁺
(b) ZnHg/HCl
(c) NaOH/I₂
(d) AgNO₃/NH₄OH

Answer

Answer: c

---

25. Which of the following will undergo aldol condensation?
(a) CH₂ = CHCHO
(b) CH = CCHO
(c) C₆H₅CHO
(d) CH₃CH₂CHO

Answer

Answer: d

---

26. Compound ‘A’ C₅H₁₀O forms a phenyl hydrazone and gives a negative Tollen’s reagent test and iodoform test. On reduction with Zn+Hg/HCl, compound A gives n-pentane. The compound ‘A’ is
(a) Primary alcohol
(b) Aldehyde
(c) Secondary alcohol
(d) Ketone

Answer

Answer: b

---

27. Tert Butyl alcohol can be obtained by treating with CH3MgBr followed by hydrolysis
(a) HCHO
(b) CH₃CHO
(c) CH₃COCH₃
(d) CH₃CH₂CHO

Answer

Answer: c

---

28.
(a) 3-Nitrosalicylic acid
(b) 3, 5-Dinitrosalicylic acid
(c) m-Nitrobenzoic acid
(d) Picric acid

Answer

Answer: d

---

29. The end product (C) in the following reaction sequence is

(a) CH₃ — CH₂ COONa
(b) CH₂ = CH₂
(c) CH₃ — CH₃
(d) CH₂ = CH-COOH

Answer

Answer: b

---

30. Benzone acid is weaker than ……… but stronger than ………..
(a) p-toluic acid, o-toluic acid
(b) p-nitrobenzoic acid, p-toluic acid
(c) acetic acid, formic acid
(d) fomic acid, acetic acid

Answer

Answer: d

---

31. Which of the following is the correct representation for intermediate of nucleophilic addition reaction to the given carbonyl compound (A): [NCERT Exemplar]

Answer/Explanation

Answer:
Explaination:
(a) and (b) are correct intermediate.

---

32. Match the common names given in Column I with the IUPAC names given in Column II. [NCERT Exemplar]

Column I (Common names)	Column II (IUPAC names)
(a) Cinnamaldehyde	(i) Pentanal
(b) Acetophenone	(ii) Prop-2-enal
(c) Valeraldehyde	(iii) 4-Methylpent-3-en-2-one –
(d) Acrolein	(iv) 3-Phenylprop-2-enal
(e) Mesityl oxide	(v) 1-Phenylethanone

Answer/Explanation

Answer:
Explaination:
(a) (iv)
(b) (v)
(c) (i)
(d) (ii)
(e) (iii)

---

33. Match the acids given in Column I with their correct IUPAC names given in Column II. [NCERT Exemplar]

Column I (Acids)	Column II (IUPAC names)
(a) Phthalic acid	(i) Hexane-1,6-dioic acid
(b) Oxalic acid	(ii) Benzene-1,2-dicarboxylic acid
(c) Succinic acid	(iii) Pentane-1,5-dioic acid
(d) Adipic acid	(iv) Butane-1,4-dioic acid
(e) Glutaric acid	(v) Ethane-1,2-dioic acid

Answer/Explanation

Answer:
Explaination:
(a) (ii)
(b) (v)
(c) (iv)
(d) (i)
(e) (iii)

---

34. Match the reactions given in Column I with the suitable reagents given in Column II. [NCERT Exemplar]

Column I (Reactions)	Column II (Reagents)
(a) Benzophenone → Diphenylmethane	(i) LiAlH4
(b) Benzaldehyde → 1-Phenylethanol	(ii) DIBAL—H
(c) Cyclohexanone → Cyclohexanol	(iii) Zn(Hg)/Conc. HCl
(d) Phenyl benzoate → Benzaldehyde	(iv) CH3MgBr

Answer/Explanation

Answer:
Explaination:
(a) (iii)
(b) (iv)
(c) (i)
(d) (ii)

---

Note: In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices. (Q.25 to Q.28)
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct but reason is wrong statement.
(d) Assertion is wrong but reason is correct statement.
(e) Assertion and reason both are correct statements but reason is not correct explanation of assertion.
35. Assertion: Formaldehyde is a planar molecule.
Reason: It contains sp² hybridised carbon atom. [NCERT Exemplar]

Answer/Explanation

Answer:
Explaination:
(a) Assertion and reason both are correct and reason is correct explanation of assertion.

---

36. Assertion: Compounds containing —CHO group are easily oxidised to corresponding carboxylic acids. Reason: Carboxylic acids can be reduced to alcohols by treatment with LiAlH4. [NCERT Exemplar]

Answer/Explanation

Answer:
Explaination:
(e) Assertion and reason both are correct statements but reason is not correct explanation of assertion.

---

37. Assertion: The a-hydrogen atom in carbonyl compounds is less acidic.
Reason: The anion formed after the loss of a-hydrogen atom is resonance stabilised. [NCERT Exemplar]

Answer/Explanation

Answer:
Explaination:
(d) Assertion is wrong but reason is correct statement.

---

38. Assertion: Aromatic aldehydes and formaldehyde undergo Cannizaro reaction.
Reason: Aromatic aldehydes are almost as reactive as formaldehyde. [NCERT Exemplar]

Answer/Explanation

Answer:
Explaination:
(c) Assertion is correct but reason is wrong statement.

---

39. Pentan-2-one can be distinguished from pentan-3-one by ____________ test.

Answer/Explanation

Answer:
Explaination: Iodoform

---

40. The pKa of acetic acid is ____________ than that of phenol.

Answer/Explanation

Answer:
Explaination: lower

---

41. Benzoate ion is more ____________ than acetate ion.

Answer/Explanation

Answer:
Explaination: stable

---

42. Formic acid does not undergo HVZ reaction because it does not have ____________ .

Answer/Explanation

Answer:
Explaination: a-hydrogen

---

43. Phenol does not liberate CO₂ with NaHCO₃. [True/False]

Answer/Explanation

Answer:
Explaination: True, because it is weakly acidic.

---

44. All aldehydes turn SchifTs reagent pink. [True/False]

Answer/Explanation

Answer:
Explaination: True

---

45.

Answer/Explanation

Answer:
Explaination: True

---

46. [True/False]

Answer/Explanation

Answer:
Explaination: True

---

47. Write IUPAC name of the following compound: [Delhi 2014(C)]

Answer/Explanation

Answer:
Explaination: 2-Methyl propanal.

---

48. Write the structure of 3-hydroxybutanal. [Foreign 2013]

Answer/Explanation

Answer:
Explaination:

---

49. Write the structure of 3-methylbutanal. [Delhi 2013]

Answer/Explanation

Answer:
Explaination:

---

50. Write the IUPAC name of the compound. [Delhi 2014]

Answer/Explanation

Answer:
Explaination: 3-Amino butanal.

---

51. Write the IUPAC name of the following compound: [Chennai 2019]

Answer/Explanation

Answer:
Explaination:

---

52. Write the structure of the following compound: 3-oxopentanal. [Foreign 2011]

Answer/Explanation

Answer:
Explaination:

---

53. Write the structure of p-Methylbenzaldehyde molecule. [AI 2014; Delhi 2013]

Answer/Explanation

Answer:
Explaination:

---

54. Write the IUPAC name of the following compound: [Foreign 2014]

Answer/Explanation

Answer:
Explaination: 2-Hydroxy benzaldehyde.

---

55. Write the structure of 4-chloropentan-2-one. [AI 2014; Delhi 2013]

Answer/Explanation

Answer:
Explaination:

---

56. Write the structure of 4-methylpent-3-en-2-one. [Foreign 2013]

Answer/Explanation

Answer:
Explaination:

---

57. Write the IUPAC name of the compound. [Delhi 2014]

Answer/Explanation

Answer:
Explaination: 4-Hydroxy-2-pentanone.

---

58. Write the IUPAC name of [AI 2011(C)]

Answer/Explanation

Answer:
Explaination: 4-Methylpent-3-en-2-one

---

59. How will you convert 3-hydroxybutanal from ethanol? Write chemical reaction.

Answer/Explanation

Answer:
Explaination:

---

60. Complete the following chemical reaction:

Answer/Explanation

Answer:
Explaination:

---

61. Write the chemical equations for the following chemical reactions:
Benzonitrile is converted to acetophenone.

Answer/Explanation

Answer:
Explaination:

---

62. Ethanal is soluble in water. Why? [AI 2011]

Answer/Explanation

Answer:
Explaination:

---

63. Which aldehyde does not give Fehling’s solution test?

Answer/Explanation

Answer:
Explaination:

---

64. Write the IUPAC name of compound. [Delhi 2014]

Answer/Explanation

Answer:
Explaination:

---

65. Write the IUPAC name of the following: [Delhi 2011(C)]

Answer/Explanation

Answer:
Explaination:

---

66. Write the structure of 2-hydroxy benzoic acid. [AI 2014]

Answer/Explanation

Answer:
Explaination:

---

67. Write the structural formula of 2-phenylethanoic acid. [Foreign 2013]

Answer/Explanation

Answer:
Explaination:

---

68. Write the IUPAC name of [AI 2011(C)]

Answer/Explanation

Answer:
Explaination: 3-Bromo-5-chlorobenzoic acid

---

69. Write IUPAC name of the following compound: [AI 2014(C)]

Answer/Explanation

Answer:
Explaination: Isopropyl ethanoate (1-methyl ethyl propanoate).

---

70. Write the IUPAC name of [Delhi 2011(C)]

Answer/Explanation

Answer:
Explaination: 3, 5-Dimethylphenylethanoate

---

71. Higher carboxylic acids are practically insoluble in water. Give reason.

Answer/Explanation

Answer:
Explaination:
This is due to the increased hydrophobic interaction of hydrocarbon part.

---

72. Arrange the following in increasing order of acidic character:
HCOOH, ClCH₂COOH, CF₃COOH, CCl₃COOH

Answer/Explanation

Answer:
Explaination:
HCOOH < ClCH₂COOH < CCl₃COOH < CF₃COOH

---

73. Compare the strength of following acids:
(i) Formic acid,
(ii) Acetic acid,
(iii) Benzoic acid.

Answer/Explanation

Answer:
Explaination:
HCOOH > C₆H₅COOH > CH₃COOH

---

74. Give some industrial uses of methanoic acid.

Answer/Explanation

Answer:
Explaination:
It is used in rubber, textile, leather, dying and electroplating industries.

---

75. Draw the structural formula of 1-phenylpropan-l-one molecule.

Answer/Explanation

Answer:
Explaination:

---

We hope the given Chemistry MCQs for Class 12 with Answers Chapter 12 Aldehydes, Ketones and Carboxylic Acids will help you. If you have any query regarding CBSE Class 12 Chemistry Aldehydes, Ketones and Carboxylic Acids MCQs Pdf, drop a comment below and we will get back to you at the earliest.

Free PDF Download of CBSE Chemistry Multiple Choice Questions for Class 12 with Answers Chapter 11 Alcohols, Phenols and Ethers. Chemistry MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Chemistry Alcohols, Phenols and Ethers MCQs Pdf with Answers to know their preparation level.

Alcohols, Phenols and Ethers Class 12 Chemistry MCQs Pdf

1. The heating of phenyl methyl ether with HI produces
(a) Iodobenzene
(b) Phenol
(c) Benzene
(d) Ethyl chloride

Answer/Explanation

Answer: b
Explaination:

---

2. Which of the following gives positive iodoform test?

Answer/Explanation

Answer: c
Explaination:

---

3.

Answer/Explanation

Answer: c
Explaination:

---

4. CH3—O—CH (CH3)2 + HI → Products is/are

Answer/Explanation

Answer: d
Explaination:

---

5.

The product ‘Z’ is
(a) Benzaldehyde
(b) Benzoic acid
(c) Benzene
(d) Toluene

Answer/Explanation

Answer: b
Explaination:

---

6. Which one of the following compounds has the most acid nature?

Answer/Explanation

Answer: d
Explaination:
(d) Phenol is most acidic in nature because phenoxide ion is stabilized by resonance.

---

7. Among the following sets of reactants which one produces anisole?
(a) CH₃CHO : RMgX
(b) C₆H₅OH; NaOH, CH₃I
(c) C₆H₅OH, neutral FeCl₃
(d) C₆H₅ —CH₃; CH₃COCl; AlCl₃

Answer/Explanation

Answer: b
Explaination:

---

8. The electrophile involved in Riemer-Tiemann reaction of phenol with CHCl₃ in presence of NaOH

Answer/Explanation

Answer: a
Explaination:

---

9. Arrange the following in decreasing order of acidic character:

(a) IV > III > I > II
(b) II > IV > I > III
(c) I > II > III > IV
(d) III > I > II > IV

Answer/Explanation

Answer: d
Explaination:
(d) – Since, N02 and Cl are electron withdrawing but NO₂ > Cl.
– OCH₃ is more electron releasing due to +R effect than —CH₃ group, therefore, IV is least acidic.

---

10.

(a) Etard reaction
(b) Gattermann Koch reaction
(c) Williamson synthesis
(d) Esterification

Answer/Explanation

Answer: c
Explaination:
(c) Williamson synthesis.

---

11. Identify ‘C’ in the following:

(a) Water
(b) Ethanol
(c) Propanone
(d) Cumene hydroperoxide

Answer/Explanation

Answer: c
Explaination:

---

12.

Answer/Explanation

Answer: a
Explaination:

---

13. Find the product of the given reaction:

Answer/Explanation

Answer: a
Explaination:

---

14.

Answer/Explanation

Answer: b
Explaination:

---

15. Monochlorination of toluene in sunlight followed by hydrolysis with aq. NaOH yields. [NCERT Exemplar]
(a) o-Cresol
(b) m-Cresol
(c) 2, 4-Dihydroxytoluene
(d) Benzyl alcohol

Answer/Explanation

Answer: a
Explaination:

---

16. How many alcohols with molecular formula C₄H₁₀O are chiral in nature? [NCERT Exemplar]
(a) 1
(b) 2
(c) 3
(d) 4

Answer/Explanation

Answer: a
Explaination:

---

17. What is the correct order of reactivity of alcohols in the following reaction? [NCERT Exemplar]

(a) 1° > 2° > 3°
(b) P < 2° > 3°
(c) 3° > 2° > 1°
(d) 3° > 1° > 2°

Answer/Explanation

Answer: c
Explaination:
(c) 3° >2° > 1° is order of stability of carbocation .’. Reactivity follows the same order.

---

18. CH₃CH₂OH can be converted into CH₃CHO by __________ . [NCERT Exemplar]
(a) catalytic hydrogenation
(b) treatment with LiAlH₄
(c) treatment with pyridinium chlorochromate
(d) treatment with KMnO₄

Answer/Explanation

Answer: c
Explaination:

---

19. IUPAC name of the compound

is _________ . [NCERT Exemplar]
(a) 1-methoxy-l-methylethane
(b) 2-methoxy-2-methylethane
(c) 2-methoxypropane
(d) isopropylmethyl ether

Answer/Explanation

Answer: c
Explaination:
(c) 2-methoxypropane

---

20. Which of the following species can act as the strongest base?

Answer/Explanation

Answer: b
Explaination:
(b) ∵ ROH is weakest acid,
∴ RO^⊖ is strongest conjugate base.

---

21. The correct order of boiling point of primary (1°), secondary (2°) and tertiary (3°) alcohols is
(a) 1° > 2° > 3°
(b) 3° > 2° > 1°
(c) 2° > 1° > 3°
(d) 2° > 3° > 1°

Answer

Answer: a

---

22.
The above reaction is known as
(a) Williamson’s reaction.
(b) Hofmann’s synthesis.
(c) Mendies reaction,
(d) Darzen’s reaction.

Answer

Answer: d

---

23. The correct acidic strength order of the following

(a) I > II > III
(b) III > I > II
(c) II > III > I
(d) I > III > II

Answer

Answer: b

---

24. Which compound is predominantly formed when phenol is allowed to react with bromine in aqueous medium?
(a) Picric acid
(b) O-Bromophenol
(c) 2, 4, 6-Tribromophenol
(d) p-Bromophenol

Answer

Answer: c

---

25. Phenols are more acidic than alcohols because
(a) Phenoxide ion is stablised by resonance
(b) Phenols are more soluble in polar solvents
(c) Phenoxide ion does not exhibit resonance
d) Alcohols do not lose H atoms at all

Answer

Answer: a

---

26. The compound B is formed in the sequence of the reaction given below:

The compound B is
(a) Salicylaldehyde
(b) Benzoic acid
(c) Salicylic acid
(d) Cinnamic acid

Answer

Answer: c

---

27. Which of the following reagents cannot be used to distinguish between phenol and benzyl alcohol?
(a) FeCl₃
(b) Litmus soln
(c) Br₂/CCl₄
(d) All of these

Answer

Answer: c

---

28. Identify Z in the series

Answer

Answer: d

---

29. 1-propanol and 2-propanol can be best dis¬tinguished by
(a) Oxidation with KMnO₄ followed by reaction with Fehling solution.
(b) Oxidation with acidic dichromate followed by reaction with Fehling solution.
(c) Oxidation by heating with copper followed by reaction with Fehling solution.
(d) Oxidation with concentrated H₂SO₄ followed by reaction with Fehling solution.

Answer

Answer: c

---

30.
In the above sequence Z is
(a) Toluene
(b) Cresol
(c) Benzene
(d) Benzol

Answer

Answer: c

---

31. The major organic product in the reaction, CH₃ — O — CH(CH₃)₂ + HI → product: is/are

Answer

Answer: a

---

Note: In the following questions two or more options may be correct. (Q.21 to Q.23)
32. Which of the following are used to convert RCHO into RCH₂OH? [NCERT Exemplar]
(a) H₂/Pd
(b) LiAlH₄
(c) NaBH₄
(d) Reaction with RMgX followed by hydrolysis

Answer/Explanation

Answer:
Explaination:
(a), (b), (c) will convert RCHO into RCH₂OH.

---

33. Which of the following reactions will yield phenol? [NCERT Exemplar]

Answer/Explanation

Answer:
Explaination:
(a), (b), (c) will give phenol, (d) will not give phenol because high temperature is needed.

---

34. Which of the following reagents can be used to oxidise primary alcohols to aldehydes? [NCERT Exemplar]
(a) CrO₃ in anhydrous medium.
(b) KMnO₄ in acidic medium.
(c) Pyridinium chlorochromate.
(d) Heat in the presence of Cu at 573K.

Answer/Explanation

Answer:
Explaination:
(a), (c), (d) can be used. KMnO⁴ converts primary alcohol to carboxylic acids.

---

35. Match the structures of the compounds given in Column I with the name of the compounds given in Column II. [NCERT Exemplar]

Answer/Explanation

Answer:
Explaination:
(i) (d) (ii) (c) (iii) (J) (iv) (a) or quinol (v) (g) (vi) (b)

---

36. Match the starting materials given in Column I with the products formed by these (Column II) in the reaction with HI. [NCERT Exemplar]

Answer/Explanation

Answer:
Explaination:
(i) (d) (ii) (e) (iii) (b) (iv) (a)
In cleavage of ethers, higher alcohol and lower alkyl halide is formed except in tert. butyl methyl ether, in which (CH₃)₃ C+ is more stable so (CH₃)₃C-I and CH₃OH is formed. Anisole with HI gives phenol and CH₃I because phenoxide ion is stabilised by resonance.

---

37. In the following question a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.
Assertion: Bond angle in ethers is slightly less than the tetrahedral angle.
Reason: There is a repulsion between the two bulky (—R) groups. [NCERT Exemplar]

Answer/Explanation

Answer:
Explaination:
(d) Assertion is wrong statement but reason is correct statement.

---

38. Phenol reacts with Br₂ in CS₂ to give _________ as major product.

Answer/Explanation

Answer:
Explaination: p-bromophenol

---

39. Phenol gives o and p-nitrophenol with _________ .

Answer/Explanation

Answer:
Explaination: dil. HNO₃

---

40. o-nitrophenol has _________ melting point than /j-nitrophenol.

Answer/Explanation

Answer:
Explaination: lower

---

41. Diethyl ether has dipole moment because they are bent molecule. [True/False]

Answer/Explanation

Answer:
Explaination: True

---

42. Ethers have lower boiling point than alcohol. [True/False]

Answer/Explanation

Answer:
Explaination:
True. It is due to weak van der Waals’ forces of attraction in ethers but intermolecular H-bonding in alcohol.

---

43. Dettol contains phenolic compound. [True/False]

Answer/Explanation

Answer:
Explaination: True, phenols are antiseptic in low concentration.

---

44. Write the IUPAC name of the given compound: [Foreign 2015]

Answer/Explanation

Answer:
Explaination: 3-methyl but-2-en-1-ol.

---

45. Write the IUPAC name of the given compound: [AI2015]

Answer/Explanation

Answer:
Explaination: 2-methyl propane 1, 3-diol.

---

46. Write the IUPAC name of the following compound: [Foreign 2012]

Answer/Explanation

Answer:
Explaination: Hex-4-en-3-ol.

---

47. Write IUPAC name of the following:

Answer/Explanation

Answer:
Explaination: 2, 2-Dimethyl propan-l-ol.

---

48. Write the IUPAC name of the following: [AI 2015 Bhubneshwar]

Answer/Explanation

Answer:
Explaination: l-Phenylpropan-2-ol.

---

49. Write IUPAC name of the compound: [Delhi 2015(C)]

Answer/Explanation

Answer:
Explaination: Butan-2-ol

---

50. Write IUPAC name of the given compound: [AI 2015 Patna]

Answer/Explanation

Answer:
Explaination: 2-methyl prop-2-en-l-ol.

---

51. Draw the structural formula of 2-methylpropan-2-ol molecule. [Delhi 2012]

Answer/Explanation

Answer:
Explaination:

---

52. Draw the structure of hex-l-en-3-ol compound.

Answer/Explanation

Answer:
Explaination:

---

53. How is ethanol obtained from 2-butene? [Delhi 2012]

Answer/Explanation

Answer:
Explaination:

---

54. Write the IUPAC name of the given compound: [Delhi 2015]

Answer/Explanation

Answer:
Explaination: 2, 5-Dinitro phenol.

---

55. Write IUPAC name of the given compound: [AI 2015 Guwahati]

Answer/Explanation

Answer:
Explaination: 2, 4-Dimethyl phenol.

---

56. Draw the structure of 2, 6-dimethylphenol. [AI 2011]

Answer/Explanation

Answer:
Explaination:

---

57. Write the IUPAC name of the given compound: [AI 2015]

Answer/Explanation

Answer:
Explaination:

---

58. Write IUPAC name of the given compound: [AI 2015 Chennai and Trivandrum]

Answer/Explanation

Answer:
Explaination: 1-Methoxypropan-2-ol.

---

59. Write the structure of the following compound: 2-ethoxy-2-methyl pentane

Answer/Explanation

Answer:
Explaination:

---

60. How is /-butyl alcohol obtained from acetone?

Answer/Explanation

Answer:
Explaination:

---

61. Write the chemical equation for the preparation of phenol from benzene using oleum and sodium hydroxide. [Delhi 2011(C)]

Answer/Explanation

Answer:
Explaination:

---

62. Why alcohols and phenols are soluble in water?

Answer/Explanation

Answer:
Explaination: This is due to their ability to form hydrogen bonds with water molecules.

---

63. Which of the following isomers is more volatile: o-nitrophenol or p-nitrophenol? [Delhi 2014]

Answer/Explanation

Answer:
Explaination: o-nitrophenol is more volatile, cone. H₂SO₄

---

64. How would you convert ethanol to ethene? [AI 2011]

Answer/Explanation

Answer:
Explaination:

---

65. Name a compound which is used as antiseptic as well as disinfectant.

Answer/Explanation

Answer:
Explaination:
0.2% solution of phenol is used as antiseptic, 2% solution of phenol is used as disinfectant.

---

66. Arrange the following in decreasing order of their acidic character: [Similar to AI 2017]

Answer/Explanation

Answer:
Explaination: (ii) > (iii) > (i)

---

67. Illustrate with examples the limitations of Williamson’s synthesis for the preparation of certain types of ethers.

Answer/Explanation

Answer:
Explaination:
Di-tertiary butyl ether cannot be prepared by Williamson’s synthesis because tertiary halides will undergo elimination reaction instead of substitution reaction.

---

68. What is the cause of large difference in boiling points of alcohols and ethers?

Answer/Explanation

Answer:
Explaination:
This is due to the presence of hydrogen bonding in alcohols but ether have weak van der Waals’ forces of attraction.

---

69. Convert anisole to p-bromoanisole. [Delhi 2015(C)]

Answer/Explanation

Answer:
Explaination:

---

70. How will you synthesise the following from appropriate alkene: [Uttarakhand 2019]

Answer/Explanation

Answer:
Explaination:

---

71. Show how you will synthesise the following alcohol prepared by reaction of a suitable Grignard reagent on methanal? [Uttarakhand 2019]

Answer/Explanation

Answer:
Explaination:

---

We hope the given Chemistry MCQs for Class 12 with Answers Chapter 11 Alcohols, Phenols, and Ethers will help you. If you have any query regarding CBSE Class 12 Chemistry Alcohols, Phenols, and Ethers MCQs Pdf, drop a comment below and we will get back to you at the earliest.

Get Chapter Wise MCQ Questions for Class 9 Science with Answers PDF Free Download prepared here according to the latest CBSE syllabus and NCERT curriculum https://ncert.nic.in/. Students can practice CBSE Class 9 Science MCQs Multiple Choice Questions with Answers to score good marks in the examination.

Class 9 Science MCQs Multiple Choice Questions with Answers

Practicing these CBSE NCERT Objective MCQ Questions of Class 9 Science with Answers Pdf will guide students to do a quick revision for all the concepts present in each chapter and prepare for final exams.

MCQ Questions for Class 9 Science Chemistry with Answers

• Chapter 1 Matter in Our Surroundings Class 9 MCQ Questions
• Chapter 2 Is Matter Around Us Pure Class 9 MCQ Questions
• Chapter 3 Atoms and Molecules Class 9 MCQ Questions
• Chapter 4 Structure of the Atom Class 9 MCQ Questions

MCQ Questions for Class 9 Science Biology with Answers

• Chapter 5 The Fundamental Unit of Life Class 9 MCQ Questions
• Chapter 6 Tissues Class 9 MCQ Questions
• Chapter 7 Diversity in Living Organisms Class 9 MCQ Questions
• Chapter 13 Why do we Fall Ill Class 9 MCQ Questions
• Chapter 14 Natural Resources Class 9 MCQ Questions
• Chapter 15 Improvement in Food Resources Class 9 MCQ Questions

MCQ Questions for Class 9 Science Physics with Answers

• Chapter 8 Motion Class 9 MCQ Questions
• Chapter 9 Force and Laws of Motion Class 9 MCQ Questions
• Chapter 10 Gravitation Class 9 MCQ Questions
• Chapter 11 Work and Energy Class 9 MCQ Questions
• Chapter 12 Sound Class 9 MCQ Questions

Class 9 Science NCERT Solutions

• NCERT Solutions for Class 9 Science Chapter 1
• NCERT Solutions for Class 9 Science Chapter 2
• NCERT Solutions for Class 9 Science Chapter 3
• NCERT Solutions for Class 9 Science Chapter 4
• NCERT Solutions for Class 9 Science Chapter 5
• NCERT Solutions for Class 9 Science Chapter 6
• NCERT Solutions for Class 9 Science Chapter 7
• NCERT Solutions for Class 9 Science Chapter 8
• NCERT Solutions for Class 9 Science Chapter 9
• NCERT Solutions for Class 9 Science Chapter 10
• NCERT Solutions for Class 9 Science Chapter 11
• NCERT Solutions for Class 9 Science Chapter 12
• NCERT Solutions for Class 9 Science Chapter 13
• NCERT Solutions for Class 9 Science Chapter 14
• NCERT Solutions for Class 9 Science Chapter 15
• NCERT Solutions for Class 9 Science Chapter 16

We hope the given NCERT MCQ Questions for Class 9 Science with Answers PDF Free Download will help you. If you have any queries regarding CBSE Class 9 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Get Chapter Wise MCQ Questions for Class 9 Hindi Sanchayan with Answers Bhag 1 PDF Free Download prepared here according to the latest CBSE syllabus and NCERT curriculum. Students can practice CBSE Class 9 Hindi संचयन MCQs Multiple Choice Questions with Answers to score good marks in the examination.

Class 9 Hindi Sanchayan MCQs Multiple Choice Questions with Answers

Practicing these CBSE NCERT Objective MCQ Questions of Class 9 Hindi Sanchayan with Answers will guide students to do a quick revision for all the concepts present in each chapter and prepare for final exams.

MCQ Questions for Class 9 Hindi Sanchayan with Answers

1. गिल्लू Class 9 MCQ
2. स्मृति Class 9 MCQ
3. कल्लू कुम्हार की उनाकोटी Class 9 MCQ
4. मेरा छोटा-सा निजी पुस्तकालय Class 9 MCQ
5. हामिद खाँ Class 9 MCQ
6. दिये जल उठे Class 9 MCQ

We hope the given NCERT MCQ Questions for Class 9 Hindi Sanchayan with Answers PDF Free Download will help you. If you have any queries regarding CBSE Class 9 Hindi संचयन MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Get Chapter Wise MCQ Questions for Class 9 Hindi Sparsh with Answers Bhag 1 PDF Free Download prepared here according to the latest CBSE syllabus and NCERT curriculum. Students can practice CBSE Class 9 Hindi स्पर्श MCQs Multiple Choice Questions with Answers to score good marks in the examination.

Class 9 Hindi Sparsh MCQs Multiple Choice Questions with Answers

Practicing these CBSE NCERT Objective MCQ Questions of Class 9 Hindi Sparsh with Answers will guide students to do a quick revision for all the concepts present in each chapter and prepare for final exams.

MCQ Questions for Class 9 Hindi Sparsh with Answers

1. धूल Class 9 MCQ
2. दुःख का अधिकार Class 9 MCQ
3. एवरेस्ट : मेरी शिखर यात्रा Class 9 MCQ
4. तुम कब जाओगे, अतिथि Class 9 MCQ
5. वैज्ञानिक चेतना के वाहक : चन्द्र शेखर वेंकट रामन Class 9 MCQ
6. कीचड़ का काव्य Class 9 MCQ
7. धर्म की आड़ Class 9 MCQ
8. शक्र तारे के समान Class 9 MCQ
9. रैदास के पद Class 9 MCQ
10. रहीम के दोहे Class 9 MCQ
11. आदमी नामा Class 9 MCQ
12. एक फूल की चाह Class 9 MCQ
13. गीत–अगीत Class 9 MCQ
14. अग्नि पथ Class 9 MCQ
15. नए इलाके में … खुशबू रचते हैं हाथ Class 9 MCQ

We hope the given NCERT MCQ Questions for Class 9 Hindi Sparsh with Answers PDF Free Download will help you. If you have any queries regarding CBSE Class 9 Hindi स्पर्श MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.