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question

What is the explanation for the following trends inlattice energies ? NaF - 260 Kcal / moleNaCl- 186 Kcal / mole NaCl - 186 Kcal / moleKCl- 169 Kcal / mole NaBr - 177 Kcal / moleCsCl- 156 Kcal / mole

category

chemistry

options

  1. The lattice energy is solely determined by the electron configuration of the ions
  2. The lattice energy is not affected by the size of the ions
  3. The lattice energy is higher for larger ions due to increased attraction between adjacent ions
  4. The lattice energy decreases with the increasing polarization of ions
  5. The lattice energy is determined by the atomic mass of the ions
  6. The size of ions affects the lattice energy. The larger the ion, the lower the lattice energy due to reduced attraction between adjacent ions.
  7. The lattice energy increases with the increase in ionic radii due to stronger electrostatic forces
  8. The lattice energy is unaffected by the charge on the ions
  9. The lattice energy is higher for ions with similar electronegativity values

src

stemez-Chemistry

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