1.

The bond order in `O_2^+` is the same as in :A. `N_(2)^(+)`B. `CN^(-)`C. `CO`D. `NO^(+)`

Answer» Correct Answer - A
`O_(2)^(+) (15e^(-))=K: K^(**)(sigma2s)^(2)(sigma^(**)2s)^(2)(sigma^(**)2s)^(2)(sigma2p_(x))^(2)`
`(pi 2 p_(y))^(2)(pi 2p_(z))^(2)(pi^(**)2p_(y))^(1)(pi^(**)2p_(z))^(0)`
Hence, bond order =`1/2(10-5) =2.5`
`N_(2)^(+) (13e^(-))=KK^(**) (sigma2s)^(2)(sigma^(**)2s)^(2)(sigma2p_(x))^(3)`
`(pi 2p_(y))^(2)(pi 2p_(z))^(1)`
Hence bond order =`1/2(9-4) =2.5`


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