The basic character of hydrides of the V...

The basic character of hydrides of the VB group elements decreases in the order:

A

`SbH_3 gt PH_3` gt AsH_3 gt NH_3`

B

`NH_3 gt SbH_3 gt PH_3 gt AsH_3`

C

`NH_3 gt PH_3 gt AsH_3 gt SbH_3`

D

`SbH_3 gt AsH_3 gt PH_3 gtNH_3`

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