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The electronegaivity difference between ...

The electronegaivity difference between `N` and `F` is greater than that between ` N` and `H` yet the dipole moment of `NH_3` ( 1 .5 D) is larger than that of ` NF_3 ( 0. 2 D)`. This is because :

A

In `NH_(3)` as well as in `NF_(3) ` the atomic dipole and bond dipole are in the same direction

B

In `NH_(3)` the atomic dipole and bond dipole are in the same direction whereas in `NF_(30` these are in opposite direactions

C

IN `NH_(3)` as well `NF_(3)` the atomic dipole and bond dipole are in opposite directions

D

In `NH_(3)` the atomic dipole and bond dipole are in the opposite directions whereas in `NF_(3)` thses are in the same directions

Text Solution

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The correct Answer is:
B
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