Select the incorrect statement :

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) General Single Correct MCQ

Published on: August 12, 2026

Solutions of alkali metals in liquid ammonia are a good reducing agents because they contain free or solvated electrons.

The crystalline salts of alkaline earth metals contain more water of crystallisation than the corresponding alkali metal salts.

Atoms of alkaline earth metals have smaller size and more nuclear charge than alkali metal atoms of same period.

All alkali metal halides form hydrates.

Text Solution

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The correct answer is:

Smaller cation and higher charge attracts more numbers of water molecules.

Periodic property

Except Li + , due to bigger size of ions they have low hydration enthalpies. Hence except lithium, all alkali metal halides do not form hydrates.

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