which has more dipole moment , SbH3 or NH3 and why ??
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Solution
Dipole moment of a molecule depends on the difference in electronegativity values of the constituent atoms.
In case of NH3 and SbH3 it will depend on electronegativity values of N and Sb as H atom is common in both case.
As electronegativity of N is higher than Sb the N-H bond will be more polar and hence NH3will have a higher dipole moment than SbH3