226- In which equilibrium reaction, the sum of stoichiometric coefficients of substances in the balanced equation is greater, and the effect of increasing temperature and pressure is in the same direction? $$\text{(1)}\quad \mathrm{NH_3(g) + O_2(g) \rightleftharpoons NO(g) + H_2O(g)}, \quad \Delta H < 0$$ $$\text{(2)}\quad \mathrm{Cl_2(g) + H_2O(g) \rightleftharpoons HCl(g) + O_2(g)}, \quad \Delta H < 0$$ $$\text{(3)}\quad \mathrm{C_2H_2Cl_2(g) \rightleftharpoons C_2H_2Cl(g) + HCl(g)}, \quad \Delta H > 0$$ $$\text{(4)}\quad \mathrm{C_2H_4(g) + H_2O(g) \rightleftharpoons C_2H_6(g) + O_2(g)}, \quad \Delta H > 0$$
\textbf{226-} In which equilibrium reaction, the sum of stoichiometric coefficients of substances in the balanced equation is greater, and the effect of increasing temperature and pressure is in the same direction?
$$\text{(1)}\quad \mathrm{NH_3(g) + O_2(g) \rightleftharpoons NO(g) + H_2O(g)}, \quad \Delta H < 0$$
$$\text{(2)}\quad \mathrm{Cl_2(g) + H_2O(g) \rightleftharpoons HCl(g) + O_2(g)}, \quad \Delta H < 0$$
$$\text{(3)}\quad \mathrm{C_2H_2Cl_2(g) \rightleftharpoons C_2H_2Cl(g) + HCl(g)}, \quad \Delta H > 0$$
$$\text{(4)}\quad \mathrm{C_2H_4(g) + H_2O(g) \rightleftharpoons C_2H_6(g) + O_2(g)}, \quad \Delta H > 0$$