Redox and Equivalent ConceptHard

Question

The normality of 0.3 M phosphorous acid (H3PO3) is :

Options

A.0.1
B.0.9
C.0.3
D.0.6

Solution

0.6 is dibasic acid.
∴       N = M × is dibasic acid.
         = 0.3 × 2 = 0.6

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