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NEET 2004 Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesNEET 2004

Among the following series of transition metal ions, the one where all metal ions have electronic configuration is :-

Answer: (3)

Solution

Ti, V, Cr and Mn have 4, 5, 6 and 7 electrons outside the argon core ( or ). To leave exactly two electrons (), the oxidation states needed are: Ti , V , Cr , Mn . So the series is correct

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Question ID VK-089427