Question:
Identify the highest oxidation state exhibited by plutonium (\(Z=94\)).
Identify the highest oxidation state exhibited by plutonium (\(Z=94\)).
Show Hint
Early actinoids use their 5f, 6d and 7s electrons and reach high oxidation states, with plutonium showing up to +7.
Updated On: Nov 12, 2026
- \(+6\)
- \(+4\)
- \(+5\)
- \(+7\)
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
Plutonium (Z = 94) is an actinoid. In early actinoids the 5f, 6d and 7s levels are close in energy, so many electrons take part in bonding.
Step 2: Oxidation states
Plutonium shows the oxidation states \(+3, +4, +5, +6\) and \(+7\).
Step 3: Conclusion
The maximum among these is \(+7\).
Final Answer:
The highest oxidation state of plutonium is +7. \[ \boxed{\text{(D) }+7} \]
Plutonium (Z = 94) is an actinoid. In early actinoids the 5f, 6d and 7s levels are close in energy, so many electrons take part in bonding.
Step 2: Oxidation states
Plutonium shows the oxidation states \(+3, +4, +5, +6\) and \(+7\).
Step 3: Conclusion
The maximum among these is \(+7\).
Final Answer:
The highest oxidation state of plutonium is +7. \[ \boxed{\text{(D) }+7} \]
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