Question 3: Which of the following are redox reactions? I. 2 N2 + 3 H2 → 2 NH3 II. 4 Al + 3 O2 → 2 Al2O3 III. 2 NO2 → N2O4 IV. FeCl3 ( aq ) + 6 NH3( aq ) → Fe(NH3)63+ ( aq ) + 3 Cl- ( aq ) V. Cu2+ +...


Question 3: Which of the following are redox reactions?


I. 2 N2 + 3 H2 → 2 NH3
II. 4 Al + 3 O2 → 2 Al2O3
III. 2 NO2 → N2O4
IV. FeCl3 (aq) + 6 NH3(aq) → Fe(NH3)63+ (aq) + 3 Cl- (aq)
V. Cu2+ + Zn → Cu + Zn2+


a) I, II, and IV


b) I, II, and V


c) I and II


d) I, IV, and V


e) All but III



Jun 08, 2022
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