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Question

The reactant which is entirely consumed in reaction is known as limiting reagent. In the reaction 2A+4B3C+4D, when 5 moles of A react with 6 moles of B, then (i) Which is the limiting reagent? (ii) Calculate the amount of C formed?

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Solution

2A+4B3C+4D2A=5 moles4B=6 moles
The limiting agent is B.
as 5 moles of A requres 10 moles of B but only 6 moles are present.
Hence, 2 moles of A=4 mole of B.
x=6 moles of B.
x=2×64=3 moles.
Amount of C consumed =3×32=4.5 moles of C.

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