Which of the following shows maximum number of oxidation states?

Which of the following shows maximum number of oxidation states?
  1. $\mathrm{Cr}$
  2. $\mathrm{Fe}$
  3. $\mathrm{Mn}$
  4. $\mathrm{V}$

Solution

$\mathrm{Mn}$ is in group seven shows a maximum oxidation state of +7 in $\mathrm{KMnO}_4$ Each of the element in group III B to VII B can show the maximum oxidation state equal to its group number.

Asked in: NEET 2002

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