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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3cb161

Which of the following molecules has/have a non-zero dipole moment?

A $SO X_{2}$
B $H X_{2} O X_{2}$
C $NH X_{3}$
D $BCl X_{3}$

Answer: A, B, C

SO X_{2}

is bent,

H X_{2} O X_{2}

has a non-planar open-book shape and

NH X_{3}

is pyramidal, so all three have a net dipole.

BCl X_{3}

is trigonal planar and non-polar.

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