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प्रश्न
Give one equation to show the following property of sulphuric acid:
Dehydrating property
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उत्तर
H2SO4 has a great affinity for water, and therefore, it acts as a dehydrating agent.
\[\ce{HCOOH ->[conc.H2SO4] CO + H2O}\]
\[\ce{C2H5OH ->[conc.H2SO4] C2H4 + H2O}\]
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संबंधित प्रश्न
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.
Define the following term : Dehydrating agent
Name the following:
Products obtained by treating zinc with dilute sulphuric acid.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
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 chemical equation to show :
The behavior of H2SO4 as an acid when it reacts with magnesium.
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with sodium sulphite.
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.
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
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.
