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Q.

2H2O → 4e– + O2 + 4H+. The equivalent weight of oxygen is

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a

8

b

16

c

32

d

4

answer is C.

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Detailed Solution

In the given reaction, oxidation state of O in H2O is -2 and in O2 is zero. For two molecules of H2O, -2 becomes -4.

Equivalent weight=324=8

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