Q. The 3$d$-block element that exhibits maximum number of oxidation states is
A) Sc
B) Ti
C) Mn
D) Zn
Explanation
(c)
Mn exhibits the maximum number of oxidation states.
Mn($Z$=25)[Ar]$3d^{5},\ 4s^{2}$
It can show +2, +3, +4, +5, +6 and +7 oxidation states.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.