Home
Class 12
CHEMISTRY
Account for the following observation an...

Account for the following observation and write balanced chemical equations for them.
(i). When ferrous sulphate crystals are exposed to air, it turns brown.
(ii). A solution of ferric chloride in water gives a brown precipitate on standing.

Text Solution

Verified by Experts

(i). It turns brown due to oxidation into the ferric compound by atmospheric oxygen.
`2FeSO_4overset(Delta)toFe_2O_3+SO_3`
(ii). Formation of brown ppt. is due to `Fe(OH)_3`.
`FcCl_3+3H_2OtoFe(OH)_3+3HCl`
Promotional Banner

Topper's Solved these Questions

  • D AND F BLOCK ELEMENTS

    CENGAGE CHEMISTRY|Exercise Ex 6.2 Subjective (Compound Of Cu:)|3 Videos

  • D AND F BLOCK ELEMENTS

    CENGAGE CHEMISTRY|Exercise Ex 6.2 Subjective (Compound Of Zn:)|1 Videos

  • D AND F BLOCK ELEMENTS

    CENGAGE CHEMISTRY|Exercise Ex 6.1 Subjective|12 Videos

  • COORDINATION COMPOUNDS

    CENGAGE CHEMISTRY|Exercise Archives Subjective|18 Videos

  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise Archieves Subjective|35 Videos

Similar Questions

Explore conceptually related problems

An aqueous solution of ferric chloride gives a brown precipitate upon standing . Justify.