Which of the following metal exhibits more than one oxidation states:
Correct answer: C. Fe
- A. Na
- B. Mg
- C. Fe
- D. Al
Explanation
Iron exhibits multiple oxidation states, including +2 (ferrous) and +3 (ferric).
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About Transition Elements
Transition elements are identified by their partially filled d subshells in atoms or common ions. The topic covers the electronic structure of d-block elements, including the filling order of 4s and 3d orbitals, variable oxidation states and the distinction between transition elements and elements with completely filled d subshells.
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