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Question
Write balanced chemical equation to show :
The dehydrating property of conc.sulphuric acid
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Solution
\[\ce{C12H22O11 ->[H2SO4] 12C + 11H2O}\]
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RELATED QUESTIONS
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Why is concentrated sulphuric acid kept in air tight bottles?
Why is H2SO4 is not used as a drying agent for H2S?
How are the following conversion brought about? Give equation and condition:
Oxalic acid to carbon monoxide.
Give main difference between drying agent and dehydrating agent.
A, B, C and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated. Choose the property (A, B, C or D), depending on which is relevant to each of the preparations (i) to (ii).
A. Dilute acid (typical acid properties)
B. Non-volatile acid
C. Oxidizing agent
D. Dehydrating agent
(i) Preparation of hydrogen chloride.
(ii) Preparation of ethane from ethanol
(iii) Preparation of copper sulphate from copper oxide.
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid.
In the given equation identify the role played by concentrated sulphuric acid S + 2H2SO4→ 3SO2 + 2H2O
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
