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प्रश्न
Why is water not added to concentrated H2SO4 in order to dilute it?
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उत्तर
To dilute conc. H2SO4 water is not used, but acid is introduced to water in a regulated manner. When we introduce water to the acid, the temperature rises dramatically, causing the bulk acid to explode with disastrous consequences.
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संबंधित प्रश्न
In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.
Give two balanced reactions of the type to show the following property of sulphuric acid:
Non-volatile nature
Define the following term : Hygroscopic substance
What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.
Choose the current answer from the options given below :
When conc. H2SO4 comes in contact with sugar, it becomes black due to

- Name the catalyst which helps in the conversion of sulphur dioxide to sulphur trioxide in step C.
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- Write the equation for the reaction by which sulphur dioxide is converted to sodium sulphite in step F.
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.
Name the anion present in the following compound:
Compound D, when warmed with dilute sulphuric acid, gives a gas that turns acidified dichromate solution green.
Complete the table given below:
| Name of the process | Reactants | Acid product formed |
| (a) ______ | Nitrogen dioxide + water + oxygen | (b) ______ |
| (c) ______ | Oleum + water | Sulphuric acid |
