1.

Four statements for Cr and Mn are given below: (i) Cr^(2+) and Mn^(3+) have the same electronic configuration. (ii) Cr^(2+) is a reducing agent while Mn^(3+) is an oxidising agent. (iii) Cr^(3+) is an oxidizing agent while Mn^(3+) is a reducing agent. (iv). both Cr and Mn are oxidizing agents. The correct statemetns are

Answer»

`i`,III,IV
`i`,II
`i`,ii,iv
`i`,iv

Answer :B


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