Q. Among Group 16 elements, which one does NOT show –2 oxidation state?
A) Te
B) Po
C) O
D) Se
Explanation
[Solution by Claude - not from source] O, S, Se and Te show $-2$; polonium is metallic and predominantly shows $+2$ and $+4$. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.