Question

When a gaseous compound of nitrogen and hydrogen is decomposed completely into N2 and H2 gases, the
volume becomes three times the volume of compound decomposed. The compound is
(A) NH3
(B) N4H2
(C) HN3
(D) N2H4
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Answer 1

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Here is your answer

The answer is option A

ammonia

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Answer 2

$\huge\underline\mathfrak\red{Answer}$

NH3 is the correct option