Chapter 18.3, Problem 3CP

Identify the correct balanced equation and the sign of $\Delta S$ for the reaction shown here.

$\begin{array}{l}\text{a})\\ {\text{4MX}}_{\text{3}}{\text{ + 4M}}_{\text{2}}\to {\text{ 6X}}_{\text{2}}{\text{ + 6M}}_{\text{2}}\text{, }\Delta S\text{ positive}\\ \text{b)}\\ {\text{4MX}}_{\text{3}}\to {\text{ 6X}}_{\text{2}}{\text{ + 2M}}_{\text{2}}\text{, }\Delta S\text{ negative}\\ \text{c)}\\ 2{\text{MX}}_3\to {\text{ 3X}}_{\text{2}}{\text{ + M}}_{\text{2}}\text{, }\Delta S\text{ positive}\\ \text{d})\\ 2{\text{MX}}_3{\text{ + 2M}}_{\text{2}}\to {\text{ 3X}}_{\text{2}}{\text{ + 3M}}_{\text{2}}\text{, }\Delta S\text{ positive}\\ \text{e})\\ 2{\text{MX}}_3{\text{ + 2M}}_{\text{2}}\to {\text{ 3X}}_{\text{2}}{\text{ + 3M}}_{\text{2}}\text{, }\Delta S\text{ negative}\end{array}$