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Q.

Which one of the following group 15 hydride has lowest boiling point?

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a

$A S H_{3}$

b

$N H_{3}$

c

$P H_{3}$

d

$B i H_{3}$

answer is B.

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Detailed Solution

B.P of NH₃ > PH₃ due to hydrogen bonding.

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Which one of the following group 15 hydride has lowest boiling point?