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Which one of the following statements is...

Which one of the following statements is not correct?

A

The hydration enthalpies of alkali metal ions decrease down group .

B

Lithium halides are some what covalent in nature.

C

Alkali metals react with water liberating oxygen gas

D

`KO_(2)` is paramagnetic

Text Solution

Verified by Experts

The correct Answer is:
C
Alkali metals on reaction with water, give hydrogen and metal hydroxide
`2M(s) + 2H_(2) O to 2 MOH + H_(2) (g)`
Hence, option (c) is not the correct statement. All other are correct statements .
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