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On heating an orange solid X gives a green solid Y and a colourless gas Z. The gas Z reacts with Mg to give a white solid that reacts with water to give a slimy basic solid. The orange solid is:

Option: 1

Potassium chromate


Option: 2

Potassium dichromate


Option: 3

Sodium Dichromate


Option: 4

Ammonium Dichromate


Answers (1)

best_answer

On heating, potassium dichromate decomposes to form potassium chromate, chromic oxide and oxygen

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seema garhwal

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