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JEE Main2026Jan 21, Shift 2Chemistry
Q.

The correct increasing order of C – H(A), C – O(B), C = O(C) and C N(D) bonds in terms of covalent bond length is:

  1. A

    A < B < C < D

  2. B

    A < D < C < B

  3. C

    D < C < B < A

  4. D

    D < C < A < B

Solution

Typical bond lengths: C–H pm, CN pm, C=O pm, C–O pm.

Increasing order: A (C–H) < D (CN) < C (C=O) < B (C–O).

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