NEET Chemistry Ionic Bond MCQ Question
Calculate the energy required to completely separate 0.5 moles of solid NaCl into its gaseous ions given that the lattice enthalpy of NaCl is 788 kJ/mol.
394 kJ
788 kJ
1576 kJ
197 kJ
Correct Answer
Detailed Explanation
The lattice enthalpy of NaCl is 788 kJ/mol, which means 788 kJ is required for 1 mole. For 0.5 moles, the energy required is 0.5 * 788 = 394 kJ.
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