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AIIMS 201925 May
Exam
AIIMS
Year
2019
Date
25 May
Subject
Chemistry
Chapter
Chemical Bonding and Molecular Structure

AIIMS 2019 · 25 May · Chemistry · Chemical Bonding and Molecular Structure

Assertion : LiCl is predominantly a covalent compound. Reason :...

Assertion : LiCl\mathrm{LiCl} is predominantly a covalent compound. Reason : Electronegativity difference between Li\mathrm{Li} and Cl\mathrm{Cl} is too small.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

C. If assertion is true but reason is false.

Step-by-step solution

Electronegativity difference between Li\mathrm{Li} and Cl\mathrm{Cl} is quite large. Covalent compound is formed due to high ionisation energy of Li or small size and greater polarising power of Li\mathrm{Li}.
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