Carboxylic Acids and Derivatives Exam-style MCQs | A-Level Chemistry CIE

Question 1

Which of these reacts directly with ethanoic acid to form ethanoyl chloride?

A

chlorine

B

chloroethane

C

hydrogen chloride

D

thionyl chloride

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Question 2

Equal amounts of three compounds were placed in separate beakers and the same

volume of water was added to each.

Compound 1: CH₃COOH

Compound 2: CH₃COCl

Compound 3: CH₃COONa

Which shows the order of increasing pH in the mixtures?

A

CH₃COOH < CH₃COCl < CH₃COONa

B

CH₃COCl < CH₃COOH < CH₃COONa

C

CH₃COONa < CH₃COOH < CH₃COCl

D

CH₃COCl < CH₃COONa < CH₃COOH

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Question 3

Which compound is most soluble in water?

A

C₄H₉Cl

B

C₄H₉Br

C

C₃H₇COOH

D

CH₃COOC₂H₅

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Question 4

The conversion of butanoic acid into butan-1-ol is an example of

A

elimination

B

substitution

C

oxidation

D

reduction

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Question 5

Butanone can be distinguished from butanoic acid by the addition of

A

Fehling’s solution and warming

B

Tollens’ reagent and warming

C

2,4-dinitrophenylhydrazine solution

D

acidified potassium dichromate(VI) solution and refluxing

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