1.

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

Answer»

22.4 L
11.2 L
44.8 L
6.1 L

Solution :`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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