12 g of magnesium (atomic mass 24) on re...

12 g of magnesium (atomic mass 24) on reacting completely with acid gives hydrogen gas, the volume of which at N.T.P. would be

22.4 L

11.2 L

44.8 L

6.1 L

Text Solution

Verified by Experts

The correct Answer is:

`underset(12g)(Mg) + 2HCl to MgCl_2 + underset(22.4L)(H_2)`
24 g of Mg given `H_2` at N.T.P. = 22.4 L
12 g of Mg give `H_2` at N.T.P. ` = (22.4)/(24) xx 12 = 11.2 L`

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