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Question
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.
Solution
Dehydrating agent
\[\ce{\underset{ethanol}{C2H5OH} ->[conc.H2SO4][160^\circ C-170^\circ C]\underset{\text{Ethene}}{C2H4}}\]
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RELATED QUESTIONS
Complete the following equations :
S + conc.HNO3 →
How does sulphuric acid occur in nature?
Name the following:
Products obtained by dissolving sulphur dioxide and chlorine in water.
Give examples of the use of sulphuric acid as
An electrolyte in everyday use
In using sulphuric acid to prepare other acids, as mentioned above, which property of sulphuric acid is used ?
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.
A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
(b) \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
(c) \[\ce{NaCl + 2H2SO4 -> NaHSO4 + HCl}\]
(d) \[\ce{CuO + 2H2SO4 -> CuSO4 + H2O}\]
(e) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
Sulphuric acid is manufactured by the contact process.
Why \[\ce{H2SO4}\] is not obtained by directly reacting \[\ce{SO3}\] with water.
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Sugar
The following are the typical properties of dilute acid. Complete them by inserting suitable words:
Carbonate/hydrogen carbonate + Acid → ______ + ______ + ______
The following are the typical properties of dilute acid. Complete them by inserting suitable words:
Sulphite/hydrogen sulphite + Acid → ______ + ______ + ______
