1.

In the case of alkali metals, the ionic character decreases in the order(a) MF > MCl > MBr > MI(b) MF > MCl > MI > MBr(c) MI > MBr > MCl > MF(d) MCl > MI > MBr > MF

Answer»

Correct option (a) MF > MCl > MBr > MI

Explanation :

Alkali metals are highly electropositive and halogens are electronegative. Thus for the halides of a given alkali metal, the ionic character increases with increase in electronegativity of halogens. 



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