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.
APPEARS IN
RELATED QUESTIONS
Why is concentrated sulphuric acid kept in air tight bottles?
Name the catalyst used in the process.
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."
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Sodium Sulphate from sodium carbonate.
Write the equation of the following reaction :
Concentrated sulphuric acid is poured over sugar
Write the balanced chemical equation for the following conversion:
Lead sulphate from lead nitrate solution and dilute sulphuric acid.
Write the balanced chemical equation for the following conversion:
Ammonium sulphate from ammonia and dilute sulphuric acid.
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
C. Non-volatile acid
Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
Give a balanced chemical equation for the above reaction.
