The metal that shows highest and maximum number of oxidation states is:
d & f-Block Elements · Class 12 · JEE Main Previous Year Question
The metal that shows highest and maximum number of oxidation states is:
- a
Fe
- b✓
Mn
- c
Co
- d
Ti
Mn
Concept: Variable Oxidation States
| Element | Config | Oxidation States | Count | |---------|--------|------------------|-------| | Fe (Z=26) | [Ar] | +2, +3, +4, +6 | 4 | | Mn (Z=25) | [Ar] | +2, +3, +4, +5, +6, +7 | 6 | | Co (Z=27) | [Ar] | +2, +3 | 2 | | Ti (Z=22) | [Ar] | +2, +3, +4 | 3 |
Mn has 7 electrons available () for bonding, giving it the widest range of oxidation states (+2 to +7). The highest oxidation state (+7) is seen in .
Answer: Option (2) — Mn
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