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Which of the following… (Class 12 Chemistry 2026, Q11)

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ChemistryCBSE Class 12 · Board exam 2026, set 56/1/1 · 1 mark · MCQ

CBSE Class 12 Chemistry 2026: question 11

Set in the CBSE Class 12 board exam of 2026, paper 56/1/1, section A, question 11, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q11 · 1 mark · MCQAmines

Which of the following amines has lowest value ?

  1. (A)
  2. (B)
  3. (C)
  4. (D)p-nitroaniline ()

Figure in the paper: Option D shows a benzene ring with an group at one end and at the para position. See it in the official paper.

Source: official question paper from cbse.gov.in (PDF). See it in the full 2026 board paper, set 56/1/1.

Hints

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

Hint 1

A lower means a stronger base.

Hint 2

Compare the electron-donating and electron-withdrawing groups.

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. Lowest means the strongest base.

  2. Methyl groups (+I effect) raise the electron density on N, while – lowers it. N,N-dimethylaniline is the most basic of these: option (A).

    1 mark

Answer: Option (A)

Where the marks are

  • Chooses N,N-dimethylaniline as the strongest base (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Amines, one at a time, marked against the answer key and marking points.Back to the full paper2026 board paper, set 56/1/1: 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.