The metal that shows highest and maximum number of oxidation state is : [JEE Main 2024, 5 Apr (Shift 1)]

Correct answer: C. Mn (Manganese)

Explanation:
Manganese shows the highest and maximum number of oxidation states among the given options, commonly from +2 to +7 (e.g., Mn²⁺, Mn³⁺, Mn⁴⁺, Mn⁶⁺, Mn⁷⁺), due to the participation of both 3d and 4s electrons.