JEE Main Chemistry question

Which of the following molecules does not possess a permanent electric dipole moment?

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

Answer: (C),(D)

Solution

(bent) and (bent) are both asymmetric molecules whose bond dipoles do not cancel, giving them non-zero dipole moments. , however, has a symmetric trigonal planar shape (like ), with its three equivalent S=O bond dipoles cancelling

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Question ID VK-133518