The concentration of oxalic acid is 'X' mol lit-1 40 ml of this solution reacts with 16ml of 0.05 M acidified KMnO4. What is the pH of 'X' M oxalic acid solution ? (Assume that oxalic acid dissociates completely)
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a
1.3
b
1.699
c
1
d
2
answer is C.
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Detailed Solution
Following redox reaction take placeequivalents of H2C2O4 = equivalents of KMnO440×Ma×21000=16×0.05M×51000; Ma=0.05M; Na=0.1N ; pH=1 ;