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Aldehyde, Ketone & Carboxylic Acids
JEE Chemistry • 10 questions • Free on ExamBattle
Practice Questions
Q1
The reagent used to distinguish between aldehyde and ketone is:
- A. NaOH
- B. Tollens' reagent
- C. Conc. H₂SO₄
- D. KMnO₄
Q2
Aldol condensation occurs between:
- A. Carboxylic acids
- B. Aldehydes/ketones with α-hydrogen
- C. Alcohols
- D. Amines
Q3
The order of acidity: CH₃COOH, ClCH₂COOH, Cl₂CHCOOH, Cl₃CCOOH is:
- A. CH₃COOH > ClCH₂COOH > Cl₂CHCOOH > Cl₃CCOOH
- B. Cl₃CCOOH > Cl₂CHCOOH > ClCH₂COOH > CH₃COOH
- C. All are equally acidic
- D. ClCH₂COOH > Cl₃CCOOH > Cl₂CHCOOH > CH₃COOH
Q4
Cannizzaro reaction is given by aldehydes that:
- A. Have α-hydrogen
- B. Lack α-hydrogen
- C. Are ketones
- D. Have multiple functional groups
Q5
The product of reaction of CH₃CHO with HCN is:
- A. Acetone
- B. Acetaldehyde cyanohydrin
- C. Acetic acid
- D. Ethanol
Q6
Clemmensen reduction uses:
- A. LiAlH₄
- B. Zn-Hg/conc. HCl
- C. NaBH₄
- D. H₂/Pd
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