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प्रश्न
Identify the substance Q based on the information given below:
The white crystalline solid Q is soluble in water. It liberates a pungent smelling gas when heated with sodium hydroxide solution.
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उत्तर
Q is an ammonium salt.
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संबंधित प्रश्न
State one relevant observation for given reactions:
Action of Sodium hydroxide solution on ferrous sulfate solution.
Name the chloride of a metal which is soluble in excess of ammonium hydroxide. Write equation for the same.
Using sodium hydroxide solution, how will you distinguish:
Iron (II) chloride from iron (III) chloride
Write equation for the reaction that will take place when copper sulphate solution is added to sodium hydroxide solution.
State what do you observe when:
Neutral litmus solution is added to alkaline solution
Sodium hydroxide solution is added first in a small quantity, then in excess to the aqueous salt solutions of copper (II) sulphate, zinc nitrate, lead nitrate, calcium chloride, and iron (III) sulphate. Copy the following table and write the colour of the precipitate in (i) to (v) and the nature of the precipitate (soluble or insoluble) in (vi) to (x).
| Aqueous salt solution | Colour of precipitate when NaOH is added in a small quantity | Nature of precipitate (soluble or insoluble) when NaOH is added in excess |
| Copper (II) sulphate | (i) | (vi) |
| Zinc nitrate | (ii) | (vii) |
| Lead nitrate | (iii) | (viii) |
| Calcium chloride | (iv) | (ix) |
| Iron (III) Sulphate | (v) | (x) |
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to copper salt solution and ferrous salt solution.
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to Fe(II) salt solution and Fe(III) salt solution.
What is observed when hot, concentrated caustic soda solution is added to zinc? Write a balanced equation.
Name the metal hydroxides which are insoluble in caustic soda solution.
