Purification Of Organic Compounds QUESTIONS AND ANSWERS

IIT JEE : Purification Of Organic Compounds QUESTIONS AND ANSWERS :: part1 : 21 to 25

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

21.Which of the following element s in an organic compound cannot be detected by Lassaignes test?

22.The separation an organic compound from it s aqueous solution can be achieved by:

Distillation

Steam distillation

Solvent extraction

Fractional distillation.

23.0.59 g of the silver salt of an organic acid (mol. Mass 210) on ignition gave 0.36 of pure silver. The basicity of the acid is

24.In steam distillation, the sum of the vapour pressure of the volatile compound and that of water is

equal to atmospheric pressure

less than atmospheric pressure

more than atmospheric pressure

exactly half of the atmospheric pressure.

25.The separation of the constituents of a mixture by column chromatography depends upon their

Different solubilities

Different boiling points

Different refractive indices

Differential adsorption.

More Purification Of Organic Compounds QUESTIONS AND ANSWERS available in next pages

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