#### Answer

The correct answer is (b)

#### Work Step by Step

Dipole-dipole forces occur in molecules that are polar. Among the given options, $NF_3$ is polar, so it has dipole-dipole forces. Hence, the correct answer is (b).

Published by
Pearson

ISBN 10:
0134112830

ISBN 13:
978-0-13411-283-1

The correct answer is (b)

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