JEE Main Chemistry question
Consider the following halogen-containing compounds: (A) , (B) , (C) , (D) , (E) (1,4-dichlorobenzene). The compounds with a net zero dipole moment are
Answer: (A)
Solution
(B) has a perfectly symmetric tetrahedral shape, so its four identical C–Cl bond dipoles cancel exactly, giving zero net dipole moment. In -dichlorobenzene (E), the two C–Cl bond dipoles
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