2g of ferrous sulphate crystals are …

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2g of ferrous sulphate crystals are heated in a dry boiling tube

Posted by Karthick Kathir 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 3 months ago

2 g of ferrous sulphate crystals are heated in a boiling tube then we observe that :
Ferrous sulphate crystals contains 2 water moelcules.
On heating it looses water molecules and becomes anhydrous ferrous sulphate .
Colour changes from light green to white . Ferrous sulphate crystals which are in green colour decomposes to give Ferric oxide , sulphur dioxide and sulphur trioxide gas.
On further heating FeSO4 anhydrous changes to dark brown solid ..
The gas emitted has the characteristics smell of sulphur.
Chemical reaction :.
2FeSO₄ (S) -------------->Fe₂O₃(S) +SO₂(g) +SO₃(g)
Anhydrous Ferric oxide
Ferrous sulphate

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Posted by Pandey Ji 6 months ago

CBSE > Class 10 > Science