Advertisements
Advertisements
प्रश्न
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
Advertisements
उत्तर
In contant process sulphur trioxide formed is dissolved in sulphuric acid and not water because sulphur trioxide when directly dissolved in water gives highly exothermic reaction.
APPEARS IN
संबंधित प्रश्न
How are the following conversion brought about? Give equation and condition:
Aqueous barium chloride to barium sulphate.
Give examples of the use of sulphuric acid as
An electrolyte in everyday use
Fill in the blank with appropriate word/words :
Oil of Vitriol is ___________
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
HCl, HNO3 and H2SO4 are formulae of three compounds. Which of these compounds has the highest boiling point and which has the lowest?
How will you identify?
Sulphur dioxide gas
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
It’s reaction with ethanol.
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 is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Carbonate/hydrogen carbonate + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
