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Question

A transition metal x has the electronic configuration [Ar]3d4 in its +3 oxidation state. The element is:


A
Mn
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B
Fe
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C
Ti
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D
K
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Solution

The correct option is C Mn
Transition metal electronic configuration in +3 oxidation state is [Ar]3d4
The neutral element electronic configuration is [Ar]4s23d5, Atomic number should be =25. Therefore the element is Manganese(Mn).

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