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