Advertisements
Advertisements
Question
Why is water not added to concentrated H2SO4 in order to dilute it?
Advertisements
Solution
To dilute conc. H2SO4 water is not used, but acid is introduced to water in a regulated manner. When we introduce water to the acid, the temperature rises dramatically, causing the bulk acid to explode with disastrous consequences.
RELATED QUESTIONS
State the inference drawn from the following observations:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Name the Following:
The property used to prepare HCl and HNO3 from H2SO4.
Give reason for the following:
When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
How will you distinguish between dilute H2SO4 and conc. H2SO4 ?
Name the anion [negative ion] present in the following compound:
Compound D when warmed with dilute H2SO4 gives a gas which turns acidified potassium dichromate solution green.
The following statement is correct only under certain conditions. Rewrite the statement including the appropriate conditions.
Oxalic acid reacts with sulphuric acid to produce carbon monoxide and carbon dioxide.
Name the catalyst used in the process.
Name the gas evolved in following case:
The gas produced by the action of concentrated sulphuric acid on sodium chloride.
Give two balanced reactions of the type to show the following property of sulphuric acid:
Dehydrating nature
