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Autoprotolysis constant of NH(3) is...

Autoprotolysis constant of `NH_(3)` is

A

`[NH_(4)^(+)][NH_(3)]`

B

`[NH_(2)^(-)][NH_(3)]`

C

`[NH_(4)^(+)][NH_(2)^(-)]`

D

`[NH_(2)^(-)]//[NH_(2)^(-)]`

Text Solution

Verified by Experts

The correct Answer is:
C
`NH_(3)+NH_(3) hArr NH_(4)^(+)+NH_(2)^(-)`
Hence, `K=([NH_(4)^(+)][NH_(2)^(-)])/([NH_(3)]^(2))`
`:. [NH_(4)^(+)][NH_(2)^(-)]=K[NH_(3)]^(2)`
= Autoprotolysis constant.
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