Question $2(1$ point$)$

What products are produced during the electrolysis of an aqueous solution of calcium bromide?

$Ca(s),O_2(g),H^{+}(aq)$

$B{r}_2(l),H_2(g),O{H}^{-}(aq)$

$H_2(g),O_2(g)$

$Ca(s),B{r}_2(l)$

Question $3(1$ point$)$

What products will be produced by the electrolysis of an aqueous solution of tin$($II$)$ iodide?

$Sn(s),O_2(g),H^{+}(aq)$

$Sn(s),I_2(s)$

$Sn(s),S{n}^{4+}(aq)$

$I_2(s),H_2(g),O{H}^{-}(aq)$

Question $4(1$ point$)$

What is produced at the cathode when a solution of magnesium iodide is placed in an electrolytic cell?

magnesium metal

hydrogen gas and hydroxide ions

iodine solid

oxygen gas and hydrogen ions