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A Gaseous compound of nitrogen and hydrogen contains 12.5% ( by mass) of hydrogen. The density of the compound relative to hydrogen is 16. The molecular formula of the compound is : 1. NH2 2. N3H 3. NH3 4. N2H4 Please answer

A Gaseous compound of nitrogen and hydrogen contains 12.5% ( by mass) of hydrogen. The density of the compound relative to hydrogen is 16. The molecular formula of the compound is :

1. NH2
2. N3H
3. NH3
4. N2H4


Please answer

Grade:12th Pass

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
9 years ago

since a gaseous compound contain 12.5% therefore the formula is N2H4 percentage of hydrogen in NH2 is 2/16*100=12.5% in other compund nh3=3/17*100=17.6% N3H=1/44*100=2.27% N2H4=4/32*100=12.5% DENSITY =16 therfore molecular formula is 32

ans=N2H4

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