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प्रश्न
What property of conc. \[\ce{H2SO4}\] is made use of the following case? Give an equation for the reaction on the same:
Its reaction with ethanol.
उत्तर
Dehydrating agent
\[\ce{\underset{ethanol}{C2H5OH} ->[conc.H2SO4][160^\circ C-170^\circ C]\underset{\text{Ethene}}{C2H4}}\]
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संबंधित प्रश्न
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on sodium hydroxide.
How does sulphuric acid occur in nature?
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
How are the following conversion brought about? Give equation and condition:
Aqueous barium chloride to barium sulphate.
A, B, C and D summarise the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non-Volatile acid
C = Oxidising agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following :
(i) Preparation of hydrogen chloride gas
(ii) Preparation of copper sulphate from copper oxide
(iii) Action of cone, sulphuric acid on sulphur
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation. Each illustrates the above-mentioned properties of sulphuric acid.
The following are the typical properties of dilute acid. Complete them by inserting suitable words:
Sulphide + Acid → ______ + ______
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
Arrange the following as per the instruction given in the bracket:
Sulphuric acid, Phosphoric acid, Acetic acid (increasing order of number of replaceable H atoms per molecule).
Identify the following:
The element having electronic configuration 2, 8, 6.
