Exams › JEE Main › Chemistry
Among the following chlorides, which one shows the greatest covalent character?
- FeCl2
- ZnCl2
- HgCl2
- CdCl2
Correct answer: HgCl2
Solution
Hg2+ has an 18-electron (d10) outer shell giving it high polarising power, so HgCl2 is the most covalent of these chlorides.
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