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i am not able to solve question 3 and 4, for 3 according to me ans of q(3) is (b) but correct ans is (d),how? i am not able to solve question 3 and 4,for 3 according to me ans of q(3) is (b) but correct ans is (d),how?
Dear studentYou need to apply Limiting reagent concept here.In this reactionSince 2 mole Al gives 3 mole H2 thus 1 mole Al gives 1.5 mole H2Also 6 mole HCl give 3 mole H2 thus 1 mle HCl gives 0.5 mole H2Hence, HCl acts as limiting reagent and therefore option d is correct.
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