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A 20.0 mL solution containing 0.2 impure...

A 20.0 mL solution containing 0.2 impure `H_2O_2` reacts completely with 0.316 g of `KMnO_4` in acid solution . The purity of `H_2O_2` (in%) is ...........(mol .wt.of `H_2O_2=34` , mol . Wt . Of `KMnO_4 = 158` )

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JEE MAINS PREVIOUS YEAR-JEE MAINS 2020-CHEMSITRY
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