*3. Potassium ferrocyanide is stored in dark coloured bottles and kept away from sunlight.
Ans.
1.Potassium ferrocyanide, (molecular formula is K4[Fe(CN)6].3H2O) is a yellow coloured compound.
2. If this compound gets exposed to sunlight then it will undergo decomposition reaction.
3. Therefore, potassium ferrocyanide is stored in dark coloured bottles and kept away from sunlight.
