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A hydride (X) of Group 15 element is dis...

A hydride `(X)` of Group `15` element is distinctly basic and has unexpectedly high boiling point. It reacts with `NaOCl` to give another hydride `(Y)`, which is a strong reducing agent and is used in organic analysis. `X` and `Y` are

A

`PH_(3),P_(2)H_(4)`

B

`NH_(3),N_(2)H_(4)`

C

`AsH_(3),As_(2)H_(4)`

D

`NH_(3),NH_(4)Cl`

Text Solution

Verified by Experts

The correct Answer is:
B
Out of all the hydrides of group `15` elements only `NH_(3)` and `PH_(3)` are basic. Further boiling ppt. of `NH_(3)` is higher than `PH_(3)` and it is distinctly basic whereas `PH_(3)` is weakly basic. Hence `X` is `NH_(3)`
`underset("(X)")(2NH_(3))+NaOCl to underset("(Y)")(N_(2)H_(4))+NaCl +H_(2)O`
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