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CGP EDU Academic Team
Published on: August 12, 2026
The compound(s) which generate(s) N 2 gas upon thermal decomposition below 300ºC is (are)
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(b,c)
NH 4 NO 3 (decompose below 300°C to produce N 2 O & H 2 O, but to produce N 2 , it should be heated above 300°C).
(NH 4 ) 2 Cr 2 O 7 
N 2 + Cr 2 O 3 + H 2 O
Ba(N 3 ) 2 
Ba + N 2
Mg 3 N 2 (an ionic compound; will not decompose below 300°C)
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