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प्रश्न
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
C. Non-volatile acid
Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
उत्तर
The chemical properties of sulphuric acid along with their correct chemical equation is given below in the table:
| Chemical Properties | Chemical Equations |
| A. Oxidizing agent | 3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\] |
| B. Dehydrating agent | 2. \[\ce{C12H22O11 -> 12C + 11H2O}\] |
| C. Non-volatile acid | 1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\] |
Explanation:
(A) Sulphuric acid is a strong oxidising agent which means it can easily add oxygen to other elements or compounds. So, it is used to oxidise sulphur to sulphur dioxide.
(B) Sulphuric acid is a very strong acid therefore it can easily remove water from carbohydrates like sucrose (C12H22O11). In this reaction pure form of carbon is obtained along with water.
(C) Sulphuric acid has a high boiling point, therefore, it is considered almost non-volatile in nature and hence this property is used in the manufacturing of other volatile mineral acids like HNO3. Therefore, the reaction of sulphuric acid with potassium nitrate represents the non-volatile character of sulphuric acid.
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संबंधित प्रश्न
Write balanced chemical equations to show how SO3 is converted to Sulphuric acid in the contact process.
In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.
Name the following:
Products obtained by treating ferrous sulphide with dilute sulphuric acid.
Give reason for the following:
Sulphuric acid can form two kinds of salts with sodium chloride.
Name the anion [negative ion] present in the following compound:
Compound D when warmed with dilute H2SO4 gives a gas which turns acidified potassium dichromate solution green.
Which concentrated acid oxidizes sulphur directly to sulphuric acid ? Write the equation for the same. What is the name of the process by which sulphuric acid is manufactured ? Name the catalyst used in the process.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Distinguish between the following pair of compounds using the test given with brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
