Home › CBSE Class 11 (Science) › Chemistry › Chemical Bonding and Molecular Structure › NF3 has a much smaller dipole moment than NH3 be…
NF3 has a much smaller dipole moment than NH3 because
ANF3 has a planar geometry overall
BN–F bonds have no polarity at all
Cfluorine has a lower atomic number
Dlone pair dipole opposes bond dipoles
Answer & Solution
Correct answer: D. lone pair dipole opposes bond dipoles
In NF3 the lone pair dipole points against the N–F bond dipoles and cancels part of them, unlike in NH3.
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