The number of moles of \( \mathrm{H}_{2} \mathrm{O}_{2} \) required to completely react with \( ...
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The number of moles of \( \mathrm{H}_{2} \mathrm{O}_{2} \) required to completely react with \( 400 \mathrm{ml} \) of \( 0.5 \mathrm{~N} \mathrm{KMnO}_{4} \) in
\( \mathrm{P} \) acidic medium are
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(1) \( 0.1 \)
(2) \( 0.2 \)
(3) \( 1.0 \)
(4) \( 0.5 \)
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