Which of the following has the highest percentage of ionic character in its bonding ?
A
LiI
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B
MgCl2
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C
CsF
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D
CsI
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Solution
The correct option is ACsF Ionic character arises due to electronegativity difference between the ions. Since electronegativity difference is highest between Cs and F,CsF has highest percentage of ionic character in its bonding.