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प्रश्न
Describe the reaction that show
Dilute sulphuric acid behaves as dibasic acid.
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उत्तर
Concentrated sulphuric acid ionize in two steps. Hence it is dibasic.
\[\ce{H2SO4 + H2O ⇌ HSO^{-}_{4} + H3O+}\]
\[\ce{H2SO4 + H2O ⇌ SO^{-2}_{4} + H3O+}\]
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संबंधित प्रश्न
State the conditions required for the given reaction to take place:
Any two conditions for the conversion of sulphur dioxide to sulphur trioxide
Why is water not added to concentrated H2SO4 in order to dilute it?
How will you distinguish between dilute H2SO4 and conc. H2SO4 ?
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
A, B, C and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated. Choose the property (A, B, C or D), depending on which is relevant to each of the preparations (i) to (ii).
A. Dilute acid (typical acid properties)
B. Non-volatile acid
C. Oxidizing agent
D. Dehydrating agent
(i) Preparation of hydrogen chloride.
(ii) Preparation of ethane from ethanol
(iii) Preparation of copper sulphate from copper oxide.
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid.
Give a balanced chemical equation for the action of sulphuric acid on the following:
Potassium hydrogen carbonate
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Identify the salts P and Q from the observation given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution. Which is soluble in ammonium hydroxide solution.
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
