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Which metal in the 3d series exhibits...

Which metal in the 3d series exhibits +1 oxidation state most frequently and why ?

Text Solution

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(i) The first transition metal copper exhibits only +1 oxidation state.
ii. It is unique in 3d series having a stable +1 oxidation state.
`Cu(Z = 29)` Electronic configuration is `[Ar]3d^(10) 4s^(-1)`
(iii) so copper element only can have +1 oxidation state.
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