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प्रश्न
Explain salt hydrolysis. Name two salts which are (a) acidic (b) basic (c) neutral, when dissolved in water.
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उत्तर
Salt hydrolysis : The reaction between a salt and water to produce an acid or a base is called salt hydrolysis or hydrolysis. By hydrolysis the salt, we can find out its parent acid and parent base.
For example : \[\ce{NaCI + H2O -> Na+ + CI-}\]
Salt which are acidic :
(i) Ammonium sulphate
(ii) Ammonium chloride
Salt which are basic :
(i) Potassium carbonate
(ii) Sodium acetate
Salt which are neutral:
(i) Ammonium acetate
(ii) Ammonium Carbonate.
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संबंधित प्रश्न
The salt solution which does not react with ammonium hydroxide is :
Define normal salt.
Name two sulphates which are insoluble.
Name a basic salt.
Why common salt gets wet during rainy season?
Write the reactions of SO2 and oxides of nitrogen which leads to acid rain formation.
Define the meaning of the term 'acid salt'.
Macth the following.
| Column A | Column B |
| 1. Acid salt | a. Sodium potassium carbonate |
| 2. Mixed salt | b. Alum |
| 3. Complex salt | c. Sodium Carbonate |
| 4. Double salt | d. Sodium zincate |
|
5. Normal salt |
e. Sodium hydrogen carbonate |
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
On heating, this salt changes from green to black.
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
This salt gives nitrogen dioxide on heating.
