Question

Highest covalent character is found in
CaF2
CaCl2
CaBr2
CaI2

Answer 1

Answer:

d) CaI2

Hope it helps!

Answer 2

The highest covalent character is found in $CaI_2$.

• According to Fajan's rule as the size of the anion increases the covalent character also increases and the ionic character decreases.
• Here the cation that is a calcium ion is the same but the anion is different and Iodine has the largest size among them.
• So, that's why $CaI_2$ has the highest covalent character and $CaF_2$ has the highest ionic character.