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The correct order of dipole moments of N...

The correct order of dipole moments of `NH_(3).H_(2)OandNF_(3)` is

A

`H_(2)OgtNH_(3)gtNF_(3)`

B

`H_(2)OgtNF_(3)gtNH_(3)`

C

`NF_(3)gtNH_(3)gtH_(2)O`

D

`NH_(3)gtNF_(3)gtH_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
A
The correct order of dipole moment of `NH_(3),H_(2)OandNF_(3)` is the dipole moment of `NF_(3)andNH_(3)` is lesser than `H_(2)O` because `O_(2)` is more electronegative than nitrogen so the attracts the bonding electrons to a greater extant. Also oxygen atom has two lone pair which reduce the between `NH_(3)andMF_(3),NH_(3)` has higher diople moment because sum of all dipoles are is the same direction bond angle.
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