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प्रश्न
Distinguish between the following (using ammonia solution):
Ferric salt and ferrous salt
Give a chemical test to distinguish between ferrous and ferric salt.
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उत्तर
Ammonium hydroxide is added dropwise to the solution to be tested.
Ferrous salt gives a dirty green ppt.
Ferric salt gives a reddish-brown ppt of their hydroxides.
\[\ce{FeSO4 + 2NH4OH -> (NH4)2SO4 + Fe(OH)2↓}\]
\[\ce{Fe2(SO4)3 + 6NH4OH -> 3(NH4)2SO4 + 2Fe(OH)3↓}\]
संबंधित प्रश्न
Copy and complete the following equations:
- \[\ce{AlN + H2O ->}\]
- \[\ce{2NH3 + 3PbO ->}\]
- \[\ce{NH3 + 3Cl2 ->}\]
- \[\ce{NH3 + CO2 ->}\]
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- Which property of ammonia is illustrated by equation (c)?
- What important fertiliser is prepared from equation (d)? State the conditions.
Name a white salt produced by an acid gas and a basic gas.
Explain the following:
Liquid NH3 has no action on litmus, while liquor ammonia has an effect.
Explain the following:
Aqueous ammonia conducts electricity.
What are chlorofluorocarbons, why they become popular as substitute of ammonia as refrigerant?
How is gas collected in the gas jar?
With reference to Haber's process for the preparation of ammonia, write the equation and the conditions required.
Ammonia is manufactured by Haber Process.
What is the function of finely divided iron?
