For the gas phase reaction C 2 H 4 + H 2 ⇌ C 2 H 6 , Δ H = -32.7kcal carried out in a vessel, the equilibrium concentration of C 2 H 4 can be increased by - Options: A . &nbsp increasing the temperature B . &nbsp Increasing concentration of H 2 C . &nbsp Decreasing temperature D . &nbsp Increasing pressure

For the gas phase reaction C2H4+H2⇌C2H6, ΔH = -32.7kcal carr

Discussion Forum : Chemical Equilibrium

Question -

For the gas phase reaction $C_{2} H_{4} + H_{2} ⇌ C_{2} H_{6},$ $Δ H$ = -32.7kcal carried out in a vessel, the equilibrium concentration of $C_{2} H_{4}$ can be increased by -

Options:

A . increasing the temperature

B . Increasing concentration of

H_{2}

C . Decreasing temperature

D . Increasing pressure

Answer: Option A
:
A

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

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