1.

Which of the following reactions requires the highest temperature to occur? (1) N2 + O2 → 2NO(2) 2NO + O2 → 2NO2(3) NH4 NO2 → N2 + 2H2O(4) 4 NO2 + 2 H2O + O2 → 4HNO3

Answer»

(1) N2 + O2 → 2NO



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