Consider the reaction, 2 2 3 3 2 N H NH → From the reaction, 1 mole of 2 N reacts with 3 moles of 2 H 0.5 mole of 2 N will react with 3 0.5 x i.e. 1.5 moles of 2 H Moles given of 2 H i.e. 0.5 is less than the required i.e. 1.5 2 H is limiting reagent From the reaction, 3 moles of 2 H forms 2 moles of 3 NH 0.5 moles of 2 H will form 2 0.5 3 x i.e. 0.33 moles of 3 NH The expected moles of 3 0.33 NH But, The actual moles of 3 0.25 NH MOLE & EQUIVALENT CONCEPT 40 % yield 0.25 100 75.75 0.33 x % The correct option is (a)
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