Among the following groupings which represents the collection of isoel

1.	Among the following groupings which represents the collection of isoelectronic species ?
Answer» `NO^(+), C_(2)^(2-), O_(2)^(-), CO` `N_(2), C_(2)^(-2), CO, NO` `CO, NO^(+), CN^(-), C_(2)^(2)` `NO, CN^(-), N_(2), O_(2)^(-)` ANSWER :C

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