Which of the following equilibria remains unaffected by a change in pressure (or volume)?

Which of the following acid remains unaffected on heating ?

Which of the following acid remains unaffected on heating ?

Which of following acid remains unaffected on heating?

Which of following acid remains unaffected on heating ?

For which of the following equilibria, is K_p=K_c ?

The equilibrium which remains unaffected by change in pressure of the reactants is

Do the number of moles of reaction products increase, decrease or remain or remain same when each of the following equilibria is subjected to a decrease in pressure by increasing the volume? CaO(s)+CO_2(g)iffCaCO_3(s)