IIT JEE Questions And Answers :: Purification Of Organic Compounds: part1



IIT JEE : Purification Of Organic Compounds QUESTIONS AND ANSWERS :: part1 : 6 to 10

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

6.The purification of benzeneamine is done by

Steam distillation
Chromatographic techniques
Fractional crystallisation
By adding oxalic acid.

7.By decreasing the pressure, the boiling point of a liquid

Increases
Decreases
Remains constant
May increases or decrease.

8.Sublimation cannot be used for purification of

Naphthalene
Camphor
Benzoic acid
Urea.

9.0.532 g of the chloroplatinate of an organic base (mol. Mass 264) gave 0.195 g Pt on ignition. Then the number of nitrogen atoms per molecule of the base is

1
2
3
4.

10.In Lassaignes test, the organic compound is fused with a piece of sodium metal in order to

increase the ionization of the compound
decrease the melting point of the compound
increase the reactivity of the compound
convert the covert the covalent compound into a mixture of ionic compounds.

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

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