In steam distillation of aniline, function of steam is:

Important Questions on Purification of Organic Compounds (Qualitative and Quantitative)

HARD

JEE Advanced

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 2 - Purification of Organic Compounds (Qualitative and Quantitative)>DPP>Q 8

During steam distillation of a mixture of $\mathrm{o}-$nitrophenol and $\mathrm{p}-$nitrophenol:

MEDIUM

JEE Advanced

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 2 - Purification of Organic Compounds (Qualitative and Quantitative)>DPP>Q 9

A mixture of two organic compounds $\mathrm{A} (\mathrm{b}.\mathrm{p}. 80°\mathrm{C}) \mathrm{and} \mathrm{B} (\mathrm{b}.\mathrm{p}. 110°\mathrm{C})$ can be separated by
 

EASY

JEE Advanced

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 2 - Purification of Organic Compounds (Qualitative and Quantitative)>DPP>Q 10

When an organic compound is present in aqueous medium and is less soluble in any organic solvent, then it is separated by:

HARD

JEE Advanced

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 2 - Purification of Organic Compounds (Qualitative and Quantitative)>DPP>Q 11

Anthraquinone is prepared by the oxidation of anthracene by chromic acid. The crude reaction product is usually purified by:

MEDIUM

JEE Advanced

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 2 - Purification of Organic Compounds (Qualitative and Quantitative)>DPP>Q 12

Separation of different fraction from mixture of a solution is carried by making use of which of the following property?

HARD

JEE Advanced

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 2 - Purification of Organic Compounds (Qualitative and Quantitative)>DPP>Q 13

Simple distillation can't be used to separate:

HARD

JEE Advanced

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 2 - Purification of Organic Compounds (Qualitative and Quantitative)>DPP>Q 14

Which of the following can be purified by steam distillation?

HARD

JEE Advanced

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 2 - Purification of Organic Compounds (Qualitative and Quantitative)>DPP>Q 1

If an organic compound contains both nitrogen and sulphur, nitroprusside test on sodium extract in Lassaigne's test fails to produce violet colour, why? How these compounds are analysed for the elements?