NEET Chemistry Ionic Bond MCQ Question
What is the lattice enthalpy of NaCl, given that it requires this amount of energy to completely separate one mole of solid NaCl into its gaseous ions?
788 kJ mol⁻¹
500 kJ mol⁻¹
1000 kJ mol⁻¹
250 kJ mol⁻¹
Correct Answer
Detailed Explanation
The lattice enthalpy of NaCl is 788 kJ mol⁻¹, which is the energy required to separate one mole of solid NaCl into one mole of Na⁺ (g) and one mole of Cl⁻ (g), as stated in the NCERT context.
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