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प्रश्न
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.
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उत्तर
(i) Preparation of hydrogen chloride. - Non-volatile acid
(ii) Preparation of ethane from ethanol - Oxidizing agent
(iii) Preparation of copper sulphate from copper oxide. - Dilute acid (typical acid properties)
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संबंधित प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.
Why is concentrated sulphuric acid kept in air tight bottles?
Give reason for the following:
Sulphuric acid can form two kinds of salts with sodium chloride.
Complete the following sentence, choosing the correct word from the given options.
"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ____________ in comparison to these two acids."
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Write a balanced equation for the following conversion:
Lead sulphate from lead nitrate and sulphuric acid.
