Question

calcium floride is more ionic than calcium iodide.why​

Answer 1

Explanation:

calcium flouride is more ionic then calcium chloride. here in this pair of compounds the common ion is calcium ion so we cannot decide the ionic nature by calcium Ion . between fluorine and chlorine, fluorine is small in size so it is the reason for more ionic nature of calcium fluoride

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Answer 2

Answer:

The size of I

−

ion is bigger tha F

−

ions.

In CaI

2

, therefore, more polarisation takes place.

According to Fajan's rule more polarisation more is the covalent nature.

Thus CaF

2

is more ionic than CaI

2