First slide

Concentration methods

Question

Normality of 0.2 M potassium permanganate solution when it acts like oxidizing agent in neutral medium is

Easy

A

0.066 N
B

0.6 N
C

1 N
D

0.2 N

Solution

${MnO}_{4}^{-} (+ 7) \to {MnO}_{2} (+ 4); Change in O . S = 3; Normality = 0.2 \times 3 = 0.6 N$

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