Advertisements
Advertisements
प्रश्न
Define the following term : Dehydrating agent
उत्तर
Dehydrating agent : The compound which has more affinity for water. It removes atoms of hydrogen and oxygen in the form of waterfrom the composition of a substance.
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations to show The dehydrating property of conc. Sulphuric acid with sugar.
Give two balanced reactions of the type to show the following property of sulphuric acid:
Acidic nature.
What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.
Give reason for the following:
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
Give reason for the following:
H2SO4 cannot be prepared by heating sodium sulphate with conc. HCl or HNO3
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
Choose the current answer from the options given below :
The catalyst used for the oxidation of SO2 to SO3 in contact process is
Which concentrated acid oxidizes sulphur directly to sulphuric acid ? Write the equation for the same. What is the name of the process by which sulphuric acid is manufactured ? Name the catalyst used in the process.
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. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
