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Chemistry
Dipole moment of the hydrides of group 15 elements decreases in the order:
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Q. Dipole moment of the hydrides of group 15 elements decreases in the order:
Chemical Bonding and Molecular Structure
A
$AsH _{3}> BiH _{3}> SbH _{3}> NH _{3}> PH _{3}$
19%
B
$BiH _{3}> SbH _{3}> AsH _{3}> PH _{3}> NH _{3}$
11%
C
$NH _{3}> PH _{3}> AsH _{3}> SbH _{3}> BiH _{3}$
52%
D
$PH _{3}> NH _{3}> AsH _{3}> SbH _{3}> BiH _{3}$
19%
Solution:
Dipole moment of $MH _{3}$ decreases down the group as the electronegativity of the central atom $M$ decreases.