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Which of the following has been arranged...

Which of the following has been arranged in order of increasing bond strength ?

A

`Zn_2^(2+) lt Hg_2^(2+) lt Cd_2^(2+)`

B

`Cd_2^(2+) lt Hg_2^(2+) lt Zn_2^(2+)`

C

`Zn_2^(2+) lt Cd_2^(2+) lt Hg_2^(2+)`

D

`Hg_2^(2+) lt Cd_2^(2+) lt Zn_2^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
C
Due to poor shielding of 4f electrons, bond strength is maximum for `Hg^(+)-Hg^(+)`.
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