Chemistry, asked by isambshiva961, 1 year ago

Why nh3 has higher dipole moment than nf3?

Answers

Answered by Anonymous

hyy frnd☺☺
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here's your answer ,

↪In NH3, N is more electronegative than H. So, N pulls the electrons from H towards itself and so, the direction of moment due to the N-H bonds is in the same direction as that of the lone pair of electrons on Nitrogen.

♦ And, so we have NH3 whose dipole moment is much higher than that of NF3.
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Hope it helps⤴

Answered by ElegantDoll

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❤.In NH3, the directionof the orbital dipole moment due to lone pair is in the same direction of the 'resultant dipolemoment' of the 3N-H bonds.

❤.Hence,the net dipole moment of NH3 is positive.

❤. But in NF3, molecule the direction of the orbital dipole moment due to lone pair is in the opposite direction to the 'resultant dipole moment'of the 3 N-F bonds.

❤.Hence, its net dipole moment decreases.

❤. Therefore,dipole moment of NH3 is greater than that of NF3

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