1.

The reactant which is entirely consumed in reaction is known as limiting reagent. In the reaction `2A+4Brarr3C+4D`, when 5 moles of A react with 6 moles of B, then (a) which is the limiting reagent? (b) calculate the amount of C formed?A. C, 4.5 molB. B, 4.5 molC. B, 3.5 molD. C, 4.0 mol

Answer» In the reaction, `2A + 4B to 3C + 4D`
2 moles of A react with 4 moles of B
5 moles of A will react with `4/2xx5=10` moles of B
Since in the reaction only 6 moles of B are there, hence B is the limiting reagent.
Now, 4 moles of B give 3 moles of C
6 Moles of B will give `3/4xx6=4.5` mol of C


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