12th Class Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank 12th CBSE Chemistry The d-and f-Block Elements

  • question_answer
    The lowest oxidation state of manganese is basic while the highest is acidic.

    Answer:

                      The lowest oxidation state of manganese is \[+2\,\,\overset{II}{\mathop{(Mn)}}\,\]. It has a tendency to lose electrons in order to increase its oxidation state. Therefore, \[\,\,\overset{II}{\mathop{(Mn)}}\,\] is basic. In highest oxidation state of \[+7\,\,\overset{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,VII}{\mathop{(Mn)}}\,,\], there is no scope for the loss of anymore electrons. It can rather accept the same. This shows that \[\overset{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,VII}{\mathop{Mn}}\,\] can act as acid by accepting electrons.


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