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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
Distinguish between the following (using ammonia solution):
Calcium chloride and zinc chloride
Name an amphoteric oxide reduced by the basic gas.
What is the function of:
(i) finely divided iron
(ii) Molybdenum in the above process
Write the equation for the action of heat on:
Ammonium chloride
State whether the reaction is an example of thermal dissociation or thermal decomposition.
Pick the odd number out from the list, giving reasons for your answer:
Ammonia, sulphur dioxide, hydrogen chloride, carbon dioxide
State the purpose of liquefying ammonia produced in the process.
Ammonia is manufactured by Haber Process.
How can this percentage formation be increased?
