Q.
Which of the following molecules has the maximum dipole moment?
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a
CO2
b
CH4
c
NH3
d
NF3
answer is C.
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Detailed Solution
In NH3 is less electronegative than N and hence dipole moment of each N-H bond is towards N and create high net dipole moment whereas in NF3, F is more electronegative than N, the dipole moment of each N-F bond is opposite to that of lone pair, hence reducing the net dipole moment.
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