Question

While performing an experiment a student observes that when he heats some green crystal in a boiling tube, the colour of the crystals changes to brown and a gas evolves which smells like burning sulphur. Interpret the observation and results.

Answer 1

HEY FRIEND HERE IS UR ANS .

When we burn ferrous sulphate (FeSO4) ,which is in the form of Green Crystals th colour changes to brown = ferric oxide (Fe2O3) and two gases are produced which are sulphur dioxide and sulphur trioxide = smells like burning sulphur.

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