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Boiling/melting points of the following ...

Boiling/melting points of the following hydrides follow in order.

A

`NH_(3)gtAsH_(3)gtPH_(3)gtSbH_(3)`

B

`SbH_(3)gtAsH_(3)gtPH_(3)gtNH_(3)`

C

`SbH_(3)gtNH_(3)gtAsH_(3)PH_(3)`

D

`NH_(3)gtPH_(3)gtAsH_(3)gtSbH_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
Boiling points of `SbH_(3)(254 K),NH_(3)(238 K),AsH_(3)(211 K)` and `PH_(3)(185 K),` therefore boiling points are of the order `SbH_(3)gtNH_(3)gtAsH_(3)gtPH_(3)`.
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