what is the balanced equation of potassium dichromate decomposing on heating to give potassium chromate , chromic oxide and oxygen

The balanced equation of potassium dichromate decomposing on heating to give potassium chromate , chromic oxide and oxygen is given below:

 

  heat

4K2Cr2O7(s) ————>  4K2CrO4(s) +  2Cr2O3(s) +  3O2

potassium dichromate  potassium chromate  chromic oxide  oxygen

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