Skip to content

Which one of the… (Class 12 Chemistry SQP 2024-25, Q2)

questionbuddy.in/q/cbse-12-chemistry-2024-25-sqp-q2-highest-dipole-moment

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

CBSE Class 12 Chemistry sample paper 2024-25: question 2

From the official CBSE sample question paper for 2024-25, section A, question 2, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q2 · 1 mark · MCQHaloalkanes and Haloarenes

Which one of the following has the highest dipole moment?

  1. (A)
  2. (B)
  3. (C)
  4. (D)

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

Dipole moment depends on both charge and bond length.

Hint 2

Compare the C–F and C–Cl bond lengths.

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. Dipole moment . F is the most electronegative, but the C–F bond is very short. The C–Cl bond has a large charge separation and a longer bond, so the product is the largest for .

    1 mark

  2. Order: . Option (B).

Answer: , option (B)

Where the marks are

  • Uses to pick (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Haloalkanes and Haloarenes, 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.