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Which of the following species exhibits ...

Which of the following species exhibits the diamagnetic behaviour ?

A

`O_(2)`

B

`O_(2)^(o+)`

C

`NO`

D

`O_(2)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
The compound/species having odd `e^(-')s` is paramagnetic since they contain unpaired `e^(-')s` except `O_(2)`
(a) `O_(2) = 16 e^(-')s` (b) `O_(2)^(o+) = 16 - 1 = 15 e^(-')s`
(c ) `NO = 7 + 8 = 15 e^(-')s` (d) `O_(2)^(2-) = 16 + 2 = 18 e ^(-')s`
Hence `O_(2)^(o+)` and `NO` are paramagnetic `[O_(2)` is also paramagnetic `(MOT)`] .
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