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AP EAMCET202021 Sep 2020Morning ShiftChemistryRedox ReactionsActual

Which species among the following doesn't show disproportionation reactions?

Options

  1. A( ClO ₂⁻ )
  2. B( ClO ₃⁻ )
  3. C( ClO ⁻ )
  4. D( ClO ₄⁻ )

Correct answer

D. ( ClO ₄⁻ )

Step-by-step solution

Disproportionation is a specific type of redox reaction in which a species is simultaneously reduced and oxidised to form two different products. Electronic configuration of ( Cl ) is (1 s^2 2 s^2 2 p^6 3 s^2 3 p^5 ) It can exhibit an maximum oxidation state of +7. In the given question, All species can exhibit disproportionation reaction which simultaneously oxidise as well as reduce. In ( ClO ₄⁻ )this cannot undergo oxidation as +7 is maximum oxidation state exhibited by chlorine. Hence, the correct option is (d)

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