Question

For the gas phase reaction : $C_2H_4 + H_2 \rightleftharpoons C_2H_6$ ($\Delta H$ = –32.7 kcal) carried out in a vessel, the equilibrium concentration of C₂H₄ can be increased by :
(a) increasing the temperature
(b) decreasing the pressure
(c) removing some H₂
(d) adding some C₂H₆

Answer 1

hello mate!!

Ur answer is option no.b