Lattice enthalpy and enthalpy of solution of NaCl are 788 kJ mol–1 and 4kJ mol–1, respectively. The hydration enthalpy of NaCl is : (A) –784 kJ mol–1 (B) –780 kJ mol–1 (C) 780 kJ mol–1 (D) 784 kJ mol–

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Question

Lattice enthalpy and enthalpy of solution of NaCl are 788 kJ mol–1 and 4kJ mol–1, respectively. The hydration enthalpy of NaCl is :

(A) –784 kJ mol–1
(B) –780 kJ mol–1
(C) 780 kJ mol–1
(D) 784 kJ mol–1

Prashant Kotian · Accepted Answer

Correct answer: D. Incorrect terminology is used in the question.

💡 Solution & Explanation