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NEETChemistryThermodynamics (C)

What is the lattice enthalpy of NaCl, given the equation: NaCl(s) → Na(g) + Cl(g); ∆latticeH = +788 kJ mol–1?

Options

  1. A+496 kJ mol–1
  2. B+108.4 kJ mol–1
  3. C+788 kJ mol–1
  4. D+121 kJ mol–1

Correct answer

C. +788 kJ mol–1

Step-by-step solution

The lattice enthalpy of NaCl is +788 kJ mol–1, as indicated by the given equation.

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