Which of the following equations represents a redox reaction?
-
A.
(HNO_{{3}{(aq)}} + NaOH_{(aq)} to NaNO_{{3}{(aq)}} + H_{2}O_{(l)}) -
B.
(AgNO_{{3}{(aq)}}+KCl_{(aq)} to AgCl_{(s)}+KNO_{{3}{(aq)}}) -
C.
(CaCO_{{3}{(s)}} to CaO_{(s)} + CO_{{2}{(g)}}) -
D.
(2H_{2}S_{(s)} + SO_{{2}{(g)}} to 2HO_{2} + 3S_{(g)})