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Which one of the following consitutes a ...

Which one of the following consitutes a group of the isoelectronic species?

A

`C_(2)^(2),O_(2)^(-),CO,NO`

B

`NO^(+),C_(2)^(2-),CN^(-),N_(2)`

C

`CN^(-),N_(2),O_(2)^(2-),C_(2)^(2-)`

D

`N_(2),O_(2)^(-)`,`NO^(+),CO`

Text Solution

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The correct Answer is:
B
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