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QUESTION
Q77) The amount of zinc required to produce 224ml of H2 at STP on treatment with dil. H2 at STP on treatment with dil. H2SO4 will be




SOLUTION

Zn + H2SO4 → ZnSO4 + H2
Thus 65 g of Zn gives 22400 cc of H2
∴ 224 cc of H2 requires 0.65g ZnAnswer: (a)