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(a) Transition metals show variable oxid...

(a) Transition metals show variable oxidation states. Explain.
(b) Which metal of 3d-series exhibit maximum number of oxidation state?

Text Solution

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(a) (i)`ns` and `(n-1)d `subshells have almost same energy
(ii) Both `ns ` and `(n-1)d ` electrons involve in bonding
(b) Mn or Manganese
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Knowledge Check

  • Fluorine does not show variable oxidation state due to :

    A
    small size of its atoms
    B
    low bond dissociation energy
    C
    non - availability of d - orbitals
    D
    its high electronegativity.

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