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Double Displacement Reaction

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Question

Write balanced chemical equation when potassium dichromate is heated?

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Solution

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

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