Q.

Lithium shows anomalous behaviour. Which one of the following is a false statement about Lithium or its compounds

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a

Lithium chloride exists as a dihydrate

b

Lithium chloride is soluble in pyridine

c

Lithium cannot react with Ethyne

d

Lithium is the softest metal of first group

answer is D.

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Detailed Solution

Down the group as the size of the atom decreases metallic bond strength decreases, hardness decreases:Li to Cs softness increases:
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