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Which of the following molecules does not have a dipole moment? (a) IBr (b) CHCl3

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Which of the following molecules does not have a dipole moment?

(a) IBr

(b) CHCl3

(c) CH2CI2

(d) BF3

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1 Answer

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Best answer

Correct Option (d) BF3

Explanation:

Since F is more electronegative than B, each B - F bond in BF3 is polar. However, the symmetry of BF3 is trigonal planar means that the three bond moments exactly cancel one another.

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