Topic: VSEPR theory and shapes of molecules· Chemical Bonding and Molecular Structure

In the structure of ClF_3, the number of lone pairs of electrons on central atom 'Cl' is

1. one

2. four

3. two

4. three

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Answer: 3. two

Count electron pairs on Cl in \(\mathrm{ClF_3}\): Cl has 7 valence electrons, 3 are used for bonds with F, leaving 4 electrons = 2 lone pairs.

Total electron pairs = 5 (3 bond pairs + 2 lone pairs), so the shape is trigonal bipyramidal electron geometry with both lone pairs in equatorial positions, giving a T-shaped molecule.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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In the structure of ClF_3, the number of lone pairs of electrons on central atom 'Cl' is

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