Gaseous StateHard

Question

If a mixture containing 3 moles of hydrogen and 1 mole of nitrogen is converted completely into ammonia, the ratio of initial and final volume under the same temperature and pressure would be :

Options

A.3 : 1
B.1 : 3
C.2 : 1
D.1 : 2

Solution

Initial   N2  + 3H2 → 2NH3
            1        3
final     -          -         2
ratio =

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