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The INCORRECT statement is :

1. Lithium is least reactive with water among the alkali metals
2. LiCl crystallises from aqueous solution as LiCl.2H 2 O
3. Lithium is the strongest reducing agent among the alkali metals
4. LiNO 3 decomposes on heating to give LiNO 2 and O 2

Correct answer: LiNO 3 decomposes on heating to give LiNO 2 and O 2

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