Podcast
Questions and Answers
To the solution of copper sulphate add thiourea solution with constant ______ and cool this mixture to the running water until the separated yellowish oil sticks to the wall of the containing beaker.
To the solution of copper sulphate add thiourea solution with constant ______ and cool this mixture to the running water until the separated yellowish oil sticks to the wall of the containing beaker.
stirring
Dissolve 2 gm of crystalline cupric sulphate in 10 ml of ______ and dissolve 2 gm of thioures in 10ml of warm beaker and cool it to room temperature.
Dissolve 2 gm of crystalline cupric sulphate in 10 ml of ______ and dissolve 2 gm of thioures in 10ml of warm beaker and cool it to room temperature.
water
Take 2 gm of thiourea in another beaker and dissolve in 10 ml of hot ______ and cool it to room temp.
Take 2 gm of thiourea in another beaker and dissolve in 10 ml of hot ______ and cool it to room temp.
water
The crystals are Erystallized from 5% aqueous thiourea solution containing 2 ml of normal sulphuric acid per 100ml of solution.During recrystalisation temperature must be kept below ______.
The crystals are Erystallized from 5% aqueous thiourea solution containing 2 ml of normal sulphuric acid per 100ml of solution.During recrystalisation temperature must be kept below ______.
Signup and view all the answers
What is the purpose of adding thiourea solution to the copper sulphate solution?
What is the purpose of adding thiourea solution to the copper sulphate solution?
Signup and view all the answers
What is the key requirement during the recrystallization process?
What is the key requirement during the recrystallization process?
Signup and view all the answers
How are the crystals separated from the mother liquor after completion of crystallization?
How are the crystals separated from the mother liquor after completion of crystallization?
Signup and view all the answers
What is the final step after obtaining the crystals?
What is the final step after obtaining the crystals?
Signup and view all the answers
