MCQ
A solution of the compound which gives a dirty green precipitate with sodium hydroxide.
- AAmmonium sulphate
- BLead carbonate
- ✓Ferrous sulphate
- DChlorine
✓
Answer
Correct option: C.
Ferrous sulphate
(c) Ferrous sulphate
Explanation : When you add sodium hydroxide (NaOH) to a solution of ferrous sulphate (FeSO4), it forms a dirty green precipitate of iron(II) hydroxide :
The green colour is due to the formation of iron(II) hydroxide. This is a characteristic reaction of iron(II) salts with sodium hydroxide.
Explanation : When you add sodium hydroxide (NaOH) to a solution of ferrous sulphate (FeSO4), it forms a dirty green precipitate of iron(II) hydroxide :
The green colour is due to the formation of iron(II) hydroxide. This is a characteristic reaction of iron(II) salts with sodium hydroxide.
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