Q. a student was given 5g of a pale green solid and asked to observe what happens when it is heated. he found that on heating, yellow coloured gas is evolved giving smell of burning sulphur and a reddish-brown solid was left behind.
when zinc is added to a solution of given compound, deep blue colour of solution fades away. explain the above reaction.
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it is a decomposition reaction of ferrous sulphate and in this reaction so2 and so3 gases are formed
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