M.Sc. Chemistry (PU-CET P.G) 2019 Panjab University Entrance Exam With Answers

Practice Mode:
30.

Which of the followings are isoelectronic and isostructural?

NO3-, CO32-, ClO3-, SO3
A: NO3-, CO3^2-
B: NO3-, SO3
C: CO3^2-, ClO3-
D: CO32-, SO3

The answer is: A