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प्रश्न
Assertion: The most common oxidation state exhibited by actinoids is +2.
Reason: All actinoids possess two electrons in 7s subshell.
विकल्प
If both Assertion and Reason are CORRECT and Reason is the CORRECT explanation of the Assertion.
If both Assertion and Reason are CORRECT but Reason is not the CORRECT explanation of the Assertion.
If Assertion is CORRECT but Reason is INCORRECT.
If Assertion is INCORRECT but Reason is CORRECT.
MCQ
अभिकथन और तर्क
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उत्तर
If Assertion is INCORRECT but Reason is CORRECT.
Explanation:
The Assertion is incorrect because the most common oxidation state of actinoids is +3, not +2. The Reason is correct, as all actinoids do possess two electrons in the 7s subshell, but this does not make +2 the most common oxidation state.
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