Enter Title

Chemical Equilibria

100

Which statement about the industrial production of ethanol from ethene at 300 °C is correct?

C2H4(g) + H2O(g) ⇌ C2H5OH(g)        ΔH = –46 kJ mol–1

A)

An increase in pressure decreases the equilibrium yield of ethanol.

B)

An increase in pressure increases the value of Kc

C)

An increase in temperature increases the equilibrium yield of ethanol.

D)

An increase in temperature decreases the value of Kc

D

An increase in temperature decreases the value of Kc