MHT CET 2022 Chemistry question

Which of the following molecules has maximum value of dipole moment?

(A)CH-Cl
(B)CH-O-CH
(C)CH-CH-CH
(D)CH-CNCorrect

Answer: (D)

Solution

The dipole moment depends on bond polarity and geometry. CH-CN has the strongly polar bond (very electronegative sp-hybridised nitrogen) in line with the C-C bond and the dipoles reinforce, giving $μ

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Question ID VK-093700