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which of the following compound(s) is/ar...

which of the following compound(s) is/are paramagnetic.

A

`KO_(2)`

B

`RbO_(2)`

C

`TiO_(2)`

D

`SiO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
Due to the presence of unpaired electron in `O_(2)^(Θ)` ion `[(O overset(cdots)rarrO)^(Θ)]` in `KO_(2)` and `RbO_(2)` they are paramagnetic.
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