![Which of the following is isoelectronic?](https://www.gkseries.com/blog/wp-content/uploads/2022/04/Which-of-the-following-is-isoelectronic.png)
Q. Which of the following is isoelectronic?
- CO2, NO2
- NO−2, CO2
- CN−, CO
- SO2, CO2
Answer: CN−, CO
Answer: CN−, CO
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