Question

A green salt on heating decomposes to produces a colourless suffocating gas and leaves behind a reddish brown residue. Name the salt and write the decomposition reaction​

Answer 1

Answer:

That salt was iron sulphate. Iron sulphate(FeSO₄) produces a colourless suffocating gas and leaves behind a brown residue.

FeSO₄ (s) ⇒ Fe₂O₃ (s)  +  SO₂ (g) +  SO₃(g)

(green)            (brown)

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Answer 2

Answer:

Here is ur answer mate

Explanation:

The green salt is Ferrous sulphate..

2FeSO4--------------->Fe2O3+SO2+SO3

Here so2 and SO3 are colourless suffocating gases and Fe2O3 is a reddish brown residue..

Hope this answer helpful