1.

The reactant which is entirely consumend in reaction is known as limiting reagent. In the reaction2 A + 4 B to 3C + 4D , when 5 moles of A react with 6moles of B , then(i)Which is the limiting reagent(ii)Calculate the amount of Cformed.

Answer»


Answer :` 2A + 4B to 3C + 4D `
According to the above equation, 2 mols of 'A' require 4 mols of 'B' for the reaction.
Hence, for 5 mols of 'A' , the MOLES of 'B' required
` 5"MOL of " A xx (4 " mol of "B)/(2 "mol of "A)`
= 10 mol B
Butwe haveonly 6 mols of 'B' hence ,'B' is the limiting reagent . So amount of 'C' formedis detemined by amount of 'B'.
Since 4 mols of 'B' GIVE 3 mols of 'C' . Hence 6 mols of 'B'will give
` 6 "mol of" B xx (3 "mol of"C)/(4 "mol of "B)= 4 . 5 ` mol of C .


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