which-of-the-following-reactions-is-an-oxidation-reduction-reaction-1-hno3-aq-na

Question

From the reactions below, select the one that is a redox reaction.

Accepted Answer

2 Al(s) + $$Fe_{2}O$$_{3}(s) → $$Al_{2}O$$_{3}(s) + 2 Fe(s)

Answer

2 KOH(aq) + CO_{2}(g) → $$K_{2}CO$$_{3}(aq) + $$H_{2}O(l)$$

Answer

HClO_{4}(aq) + RbOH(aq) → RbClO_{4}(aq) + $$H_{2}O(l)$$

Answer

CaS(aq) + 2 HNO_{3}(aq) → Ca(NO_{3})_{2}(aq) + $$H_{2}S(g)$$