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Question

What is the action of heat on K2Cr2O7?


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Solution

Action of heat on K2Cr2O7

  • On heating Potassium dichromate K2Cr2O7​, the formation of Potassium chromate K2CrO4, and chromic oxide Cr2O3 with the evolution of oxygen O2 gas takes place.
  • The reaction is as follows:-

4K2Cr2O7s4K2CrO4s+2Cr2O3s+3O2g


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