Answer
(a) The equilibrium will not shift.
(b) The reaction shifts toward left side.
(c) The reaction shifts toward right side.
Work Step by Step
(a) An decrease in volume causes a increase in pressure.
According to Le Chatelier’s principle an increase in pressure causes a shift of reaction towards the side with fewer particles(moles).
This reaction has the same number of particles on both sides.So there will be no shift of equilibrium.
(b) An increase is volume causes a decrease in pressure.
According to Le Chatelier’s principle an decrease in pressure causes a shift of reaction towards the side with more particles(moles).
(c) An increase is volume causes a decrease in pressure.
According to Le Chatelier’s principle an decrease in pressure causes a shift of reaction towards the side with more particles(moles).
