CBSE Class 11-science Answered
2A2 + 3B2 → 2C2 + D2
Limiting reactant is the reactant which have lowest ratio of moles/coefficient for reactant.
A2 = 6/2 = 3
B2 = 7.5/3 = 2.5
Hence, B2 is limiting reactant.
3 moles of B2 require 2 moles of A2.
7.5 moles of B2 require 5 moles of A2.
If 2 mole A2 give 2 moles of C2, then 5 moles of A2 give 5 moles of C2.
If 2 moles of A2 give 1 mole if D2, then 5 moles of A2 give 2.5 moles of D2.Hence, the correct answer option is (d) 1 mol of A is left in excess.
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