1.

For the four successive transition elements [Cr, Mn, Fe and CO) the stablility of +2 oxidation states will be there in which of the following order ?

Answer»

`Mn GT FE gt Cr gt CO`
`Fe gt Mn gt Co gt Cr`
`Co gt Mn gt Fe gt Cr`
`Cr gt Mn gt Co gt Fe`

ANSWER :A


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