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When C_6H_5COOCOCH_3… (Class 12 Chemistry SQP 2024-25, Q6)

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ChemistryCBSE Class 12 · Sample paper, session 2024-25 · 1 mark · MCQ

CBSE Class 12 Chemistry sample paper 2024-25: question 6

From the official CBSE sample question paper for 2024-25, section A, question 6, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q6 · 1 mark · MCQAldehydes, Ketones and Carboxylic Acids

When is treated with , the product obtained is :

  1. (A)Benzoic acid and ethanol
  2. (B)Benzoic acid and ethanoic acid
  3. (C)Acetic Acid and phenol
  4. (D)Benzoic anhydride and methanol

Source: official sample paper from cbseacademic.nic.in (PDF). See it in the full Sample paper 2024-25.

Hints

Open one hint at a time and try again before the next.

Hint 1

Identify the functional group in the compound.

Hint 2

Anhydrides hydrolyse to give carboxylic acids.

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. The compound is a mixed anhydride. Hydrolysis breaks the C–O–C link: .

    1 mark

  2. The products are benzoic acid and ethanoic acid. Option (B).

Answer: Option (B)

Where the marks are

  • Writes the hydrolysis of the mixed anhydride into two acids (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Aldehydes, Ketones and Carboxylic Acids, one at a time, marked against the answer key and marking points.Back to the full paperSample paper 2024-25: every question, by section.

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.