a) CuSO4.5H2O (Copper sulphate hydrated) In it there is an hydrogen bond between a water molecule with rest of the molecules of water. It has coordinate bond between the copper and sulphur. covalent bonds between the oxygen and hydrogen of water. Solution a) CuSO4.5H2O (Copper sulphate hydrated) In it there is an hydrogen bond between a water molecule with rest of the molecules of water. It has coordinate bond between the copper and sulphur. covalent bonds between the oxygen and hydrogen of water..