Consider the following question which you could try to answer after you have finished studying R2.3 The extent of chemical change.Hexaaquacopper(II) ions, [Cu(H2O)6]2+, undergo a spontaneous ligand displacement reaction with aqueous ammonia. During the process four of the water ligands are replaced by ammonia ligands.(i) Write the equation for the reaction.(ii) State the expression for the equilibrium constant, Kc.