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Question 600318
JEE Chemistry · Easy

Chemical Bonding: Ionic Bond MCQ

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Ionic BondEasyQuestion 600318

Question

Lattice energy of an ionic compound is defined as:
  1. A
    Energy released when ions form ion pairs in gas phase
  2. B
    Energy required to separate 1 mol of solid into its constituent gaseous ions
    Correct
  3. C
    Energy released in dissolving the compound
  4. D
    Heat of formation of the compound

Correct answer

Energy required to separate 1 mol of solid into its constituent gaseous ions

Explanation

Lattice energy = energy absorbed when 1 mol of ionic crystal is completely dissociated into gaseous ions at infinite separation. A large lattice energy implies a more stable crystal.

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