Which of the following equilibrium reactions would be affected by change in pressure?

Which reaction is not affected by change in pressure ?

Which of the following equilibrium is not affected by pressure -

Which of the following reactions will not be affected by increasing the pressure?

Which of the following reactions will not be affected by increasing the pressure?

Which of the following reactions will get affected by increasing the pressure ?Also mention whether change will cause the reaction to go into forward or backward direction. COCI_2(g) hArr CO(g) + CI_2(g)