If $\mathrm{CII}_{3} \mathrm{COOII}+\mathrm{OII} \longrightarrow \mathrm{CII}_{3} \mathrm{COO}+\mathrm{H}_{2} \mathrm{O}+\mathrm{q}_{1}$
and $\mathrm{II}^{+}+\mathrm{O} \mathrm{II} \rightarrow \mathrm{II}_{2} \mathrm{O}+\mathrm{q}_{2}$, then enthalpy change for
the reaction $\mathrm{CH}_{3} \mathrm{COOH} \longrightarrow \mathrm{CH}_{3} \mathrm{COO}+\mathrm{H}^{+}$ is equal to
(1) $\mathrm{q}_{1}+\mathrm{q}_{2}$
(2) $\mathrm{q}_{1}-\mathrm{q}_{2}$
(3) $\mathrm{q}_{2}-\mathrm{q}_{1}$
(4) $-\mathrm{q}_{1}-\mathrm{q}_{2}$