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For H3 PO3 and H3 PO4, the correct choic...

For `H_3 PO_3` and `H_3 PO_4`, the correct choice is

A

`H_3PO_3` is dibasic and reducing agent

B

`H_3PO_3` is diabasic and non-reducing agent

C

`H_3PO_4` is tribasic and reducing agent

D

`H_3PO_3` is tribasic and non-reducing agent

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The correct Answer is:
A
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