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Test for Ammonia

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Question

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

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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) â€”â€”â€”â€”> 4K2CrO4(s) + 2Cr2O3(s) + 3O2
potassium dichromate potassium chromate chromic oxide oxygen

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