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Which sets of ions is isoelectronic ?...

Which sets of ions is isoelectronic ?

A

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

B

`CN^(-1) N_(2) O_(2) ^(-2) C_(2)^(-2)`

C

`N_(2) ,O_(2)^(-1) NO^(+) CO `

D

`C_(2)^(-2) O_(2)^(-1) CO, No`

Text Solution

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The correct Answer is:
A
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