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Thermal stability of hydrides of first g...

Thermal stability of hydrides of first group elements follows the order :

A

`NH_3 gt PH_3 gt AsH_3 gt SbH_3`

B

`NH_3 lt PH_3 lt AsH_3 lt SbH_3`

C

`PH_3 gt NH_3 gt AsH_3 gt SbH_3`

D

`AsH_3 gt NH_3 gt PH_3 gt SbH_3`

Text Solution

Verified by Experts

The correct Answer is:
A
Stability of hydrides decreases down the group
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