What is the correct formula for "Mohr's salt"?
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → $FeSO_4.(NH_4)_2SO_4.6H_2O$
Mohr’s salt is ferrous ammonium sulphate
It is a double salt containing:
- FeSO₄ (ferrous sulphate)
- (NH₄)₂SO₄ (ammonium sulphate)
It crystallizes with 6 molecules of water