Oxidation-Reduction Reactions

Practice Questions

GRE Subject Test: Chemistry › Oxidation-Reduction Reactions

Questions

Methane combusts in the presence of oxygen according to the following reaction:

$CH_4 + 2O_2 \to CO_2 + 2H_2O$

Which of the following statements is true concerning the reaction?

$MnO_{4}^{-}_{(aq)}+5Fe^{2+}_{(aq)}+8H^{+}_{(aq)}\rightarrow5Fe^{3+}_{(aq)}+Mn^{2+}_{(aq)}+4H_{2}O_{(l)}$

Based on the chemical equation given, which of the following compounds underwent reduction?