Which out of NH3 and NF3 has higher dipole moment and why? Explain
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712
→NH3 has higher dipole moment than NF3 .
» REASON:
● in case of NH3, nitrogen is more electronegative than hydrogen,so it tries to pull the electrons from hydrogen atoms.
● where as in case of NF3, fluorine being more electronegative than nitrogen tries to pull the electrons from nitrogen opposite from that of nitrogen.
hence due to this reason,
◎ NH3 HAS HIGHER DIPOLE MOMENT
______________________________
» REASON:
● in case of NH3, nitrogen is more electronegative than hydrogen,so it tries to pull the electrons from hydrogen atoms.
● where as in case of NF3, fluorine being more electronegative than nitrogen tries to pull the electrons from nitrogen opposite from that of nitrogen.
hence due to this reason,
◎ NH3 HAS HIGHER DIPOLE MOMENT
______________________________
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Answered by
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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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