.17.2g of ferrous sulphate crystals are heated in a bolling tube. (I
) State the colour of ferrous sulphate crystals both before heating and after heating (ii) Name the gases produced during heating.(iii) Write the chemical equation for the reaction.
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1)Before heating the colour of Ferrous sulphate crystals is green.
After heating, it's crystals first lose water of crystallisation and turn white. After further heating it turns reddish brown due to the formation of Fe2O3 i.e rust
2)Suphur dioxide(SO2) and Sulphur trioxide(SO3) are the gases formed.
3) The chemical equation for this reaction is:
2FeSO4=Fe2O3 +SO2 +SO3
After heating, it's crystals first lose water of crystallisation and turn white. After further heating it turns reddish brown due to the formation of Fe2O3 i.e rust
2)Suphur dioxide(SO2) and Sulphur trioxide(SO3) are the gases formed.
3) The chemical equation for this reaction is:
2FeSO4=Fe2O3 +SO2 +SO3
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