Give reason for the following: 

(i) alkali metals do not occur free in nature. 

(ii)alkali metals have low I .E. 

(iii) LiI is more soluble than KI in ethanol

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1 Answers

(i) They are highly reactive in nature 

(ii) Because of large atomic size. 

(iii) LiI is more covalent in character than KI

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