The normality of 0.3 M phosphorous acid ...

The normality of `0.3 M` phosphorous acid `(H_(3) PO_(3))` is

A

`0.1`

B

`0.9`

C

`0.3`

D

`0.6`

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The correct Answer is:

D

Basicity of `H_(3)PO_(3)` is 2.
Hence 0.3 M `0.3M_(H_(3)PO_(3)=0.6N)`.

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