MHT CET 2024 Chemistry question

Which of the following molecules has zero dipole moment ?

(A)HF
(B)
(C)Correct
(D)

Answer: (C)

Solution

The dipole moment of a molecule is the vector sum of its bond dipoles. is trigonal planar (sp, F-B-F angle ); the three polar B-F bond dipoles are equal in magnitude and cancel one another, so . Hence option (C). HF is a diatomic molecule

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Question ID VK-096666