Question

For the gas phase reaction $C_2{H}_4+H_2\rightleftharpoons C_2{H}_6,$ $\Delta H$ = -32.7kcal carried out in a vessel, the equilibrium concentration of $C_2{H}_4$ can be increased by -

• A. increasing the temperature
• B. Increasing concentration of $H_2$
• C. Decreasing temperature
• D. Increasing pressure

Answer 1

The correct option is A

increasing the temperature

Since backward reaction is endothermic, increase in temperature favors backward reaction