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Question
Write the ionic equation representing the oxidising nature of K2Cr2O7 in an acidic medium.
Chemical Equations/Structures
Very Short Answer
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Solution
In an acidic medium, the dichromate ion acts as an oxidising agent by being reduced from Cr(VI) to Cr(III). The ionic equation is:
\[\ce{Cr2O^{2-}_7 + 14H+ + 6e- -> 2Cr^{3+} + 7H2O}\]
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Chapter 4: d-and ƒ-Block Elements - SHORT ANSWER TYPE QUESTIONS [Page 497]
