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Question: The normality of ![](https://cdn.pureessence.tech/canvas_505.png?top_left_x=976&top_left_y=1211&widt...

The normality of phosphorus acid is.

A

0.1

B

0.9

C

0.3

D

0.6

Answer

0.6

Explanation

Solution

Basicity of H3PO3\mathrm { H } _ { 3 } \mathrm { PO } _ { 3 } is 2.

Hence 0.3 M H3PO3=0.6 N\mathrm { H } _ { 3 } \mathrm { PO } _ { 3 } = 0.6 \mathrm {~N}.