LiF is least soluble among the fluorides of alkali metals, …

Chemistry Chemical Bonding and Molecular Structure Hybridisation Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

LiF is least soluble among the fluorides of alkali metals, because

Smaller size Li + impart significant covalent character in LiF

The hydration energies of Li + and F – are quite higher

Lattice energy of LiF is quite higher due to the smaller size of Li + and F –

LiF have strong polymeric network in solid

Text Solution

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The correct answer is:

The small size of both Li + and F – ion leads to a very high value of lattice energy and thus crystal of LiF is very difficult to break

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