(i) N2 in both cases
(ii) N2 with ammonium dichromate and NO with barium azide
(iii) N2O with ammonium dichromate and N2 with barium azide
(iv) N2O with ammonium dichromate and NO2 with barium azide
Correct Answer: (i) N2 in both cases
Explanation:
Reaction Involved:-
(NH4)2Cr2O7 → Cr2O3 + 4H2O + N2
Ba(N3)2 → Ba + 3N2