Question

3 volumes of hydrogen is required to combine with one volume of nitrogen to form 2 volumes of ammonia .when 1 mole of hydrogen is allowed to react with one mole of nitrogen, the two gases :

1) do not combine.

2) combine and both the gases are used up completely.

3) combine and 2/3 mol of nitrogen remains unreacted. 4) combine and some hydrogen remains unreacted.

Answer 1

option 4 is right


okay