Which of the following statements is incorrect

1.	Which of the following statements is incorrect
Answer» `Li^(+)` has minimum degree of hydration The oxidation state of K in `KO_2` is +1 Na is used to make a Na/Pb ALLOY `MgSO_4` is readily soluble in WATER Solution :The hydration enthalpies of alkali metal ions DECREASES with increase in IONIC sizes. Hence, the order is `Li^(+) gt Na^(+) GTK^(+) gt Rb^(+) gt Cs^(+)`. Therefore `Li^(+)` has maximum degree of hydration.

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