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Most unstable hydride is...

Most unstable hydride is

A

`NH_(3)`

B

`PH_(3)`

C

`AsH_(3)`

D

`BiH_(3)`

Text Solution

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The correct Answer is:
D
In VA group, the thermal stability of hydrides decreases from `NH_(3)` to `BiH_(3)`. Hence, `BiH_(3)` is the most unstable hydride.
`NH_(3)gtPH_(3)gtAsH_(3)gtSbH_(3)gtBiH_(3)`
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