Question

Heat of soln of CuSO₄ (s) and CuSO₄ .5H₂O is 15.9 and 19.3 kJ/mol respectively. then the heat of hydration of CuSO₄ (s) is 

(A) 35.2 kJ/mol 

(B) –35.2 kJ/mol 

(C) –3.4 kJ/mol 

(D) 3.4 kJ/mol

Answer 1

Correct Answer is:(B) –35.2 kJ/mol