1.

Which of the following is not correct with respect to bond length of the species ?

Answer»

`C_(2)gt C_(2)^(2-)`
`B_(2)^(+)gt B_(2)`
`N_(2)^(+)gt N_(2)`
`O_(2)gt O_(2)^(-)`

Solution :Bond ORDERS :
`C_(2)=2, C_(2)^(2-)=3, B_(2)^(+)=0.5, B_(2)=1`
`Li_(2)^(+)=0.5, Li_(2)=1, N_(2)^(+)=2.5, N_(2)=3, O_(2)=2.0, O_(2)^(-)=1.5`.


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