Which of the following are isoelectronic and isostructural? NO−3, CO-23, ClO−3, SO3

Q. Which of the following are isoelectronic and isostructural? NO−3, CO-23, ClO−3, SO3
- NO−3, CO-23
- SO3, NO−3
- ClO−3, CO-23
- CO-23, ClO−3
Answer: NO−3, CO-23

Answer: NO−3, CO-23