Which one is least ionic in the following compounds?
Covalent character in ionic bond is greater when:
1. Size of cation is smaller
2. Charge on cation is greater
3. Size of Anion is larger
4. Charge on Anion is greater
5. Cation has pseudo noble gas configuration (fully filled d orbital configuration)
Since, Ag+ has a pseudo noble gas configuration, AgCl will have the greatest covalent character.
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