1.

In which of the following transformations, the bond order has increased and the magnetic behaviour has changed?

Answer»

`C_(2)^(+) to C_(2)`
`NO^(-)to NO`
`O_(2) to O_(2)^(+)`
`N_(2) to N_(2)^(+)`

Solution :`(a)underset(BO=1.5)underset("paramagnetic")(C_(2)^(+)) to underset(BO=2)underset("DIAMAGNETIC")(C_(2))``(B)underset(BO=3)underset("diamagnetic")(NO^(-)) to underset(BO=2.5)underset("paramagnetic")(NO)``(c)underset(BO=2)underset("Paramagnetic") (O_(2)) to underset(BO=2.5)underset("paramagnetic")(O_(2)^(+))``(d) underset(BO=3)underset("diamagnetic")(N_(2)) to underset(BO=2.5)underset("paramagnetic")(N_(2)^(+))`


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