Advertisements
Advertisements
प्रश्न
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with ethanol?
Advertisements
उत्तर
Dehydrating property
संबंधित प्रश्न
Write balanced chemical equations to show how SO3 is converted to Sulphuric acid in the contact process.
Define the following term : Dehydrating agent
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
How will you distinguish between dilute H2SO4 and conc. H2SO4 ?
What do you observe when barium chloride solution is added to dilute sulphuric acid?
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.
In the given equation identify the role played by concentrated sulphuric acid S + 2H2SO4→ 3SO2 + 2H2O
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).
