1.

There are some species given below. (i)O_(2)^(+)(ii)CO(iii)B_(2)(iv)O_(2)^(-)(v)NO^(+)(vi)He_(2)^(+)(vii)C_(2)^(2+)(vii) CN^(-)(ix) N_(2)^(-) total number of species which have fractional bond order.

Answer»


Solution :`to` molecular orbital configuration for UPTO 14 electrons
`sigma_(1s)ltoverset("*")(sigma_(1s))ltsigma_(2S)ltoverset("*")(sigma_(2s))ltpi_(2px)pi_(2py)ltsigma_(2px)ltoverset("*")(pi_(2px))=overset("*")(pi_(2py))ltoverset("*")(simga_(2px))`
For more than 14 electrons `sigma_(1s)ltoverset("*")(sigma_(1s))ltsigma_(2s)ltoverset("*")(sigma_(2s))ltpi_(2px)=pi_(2py))ltoverset("*")(pi_(2px))=overset("*")(pi_(2py))ltoverset("*")(pi_(2px))`
BOND order `=(1)/(2)` numberof electron in [Bonding M.O.-Antibonding M.O.]


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