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BITSAT 2023Paper 1
Exam
BITSAT
Year
2023
Paper
Paper 1
Subject
Chemistry
Chapter
Chemical Bonding and Molecular Structure

BITSAT 2023 · Paper 1 · Chemistry · Chemical Bonding and Molecular Structure

Which of the following pairs will form the most stable ionic bond?

Which of the following pairs will form the most stable ionic bond?

Options

  1. ANa\mathrm{Na} and Cl\mathrm{Cl}
  2. BMg\mathrm{Mg} and F\mathrm{F}
  3. CLi\mathrm{Li} and F\mathrm{F}
  4. DNa\mathrm{Na} and F

Correct answer

B. Mg\mathrm{Mg} and F\mathrm{F}

Step-by-step solution

The stability of the ionic bond depends upon the lattice energy which is expected to be more between Mg\mathrm{Mg} and F\mathrm{F} due to +2 charge on Mg atom.
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