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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
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
What would you observe in the following case?
Hot concentrated sulphuric acid is added to sodium chloride crystals.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Lead nitrate solution
Copy and complete the following table.
Column 3 has the names of gases to be prepared using the substance you enter in column 1, along with dilute or concentrated sulphuric acid, as indicated in column 2.
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write the equation for the laboratory preparation of :
(i) Sodium sulphate using dilute sulphuric acid.
(ii) Lead sulphate using dilute sulphuric acid.
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
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 balanced chemical equation to show :
The dehydrating property of conc.sulphuric acid
Dilute hydrochloric acid and dilute sulphuric acid are both colourless solutions. How will the addition of barium chloride solution to each help to distinguish between the two?
Give two balanced reactions of the type to show the following property of sulphuric acid:
Dehydrating nature
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
Give a balanced chemical equation for the above reaction.
