HARD
JEE Advanced
IMPORTANT
Earn 100

Benzoic acid is an organic compound. Its crude sample can be purified by crystallisation from hot water. What characteristic differences in the properties of benzoic acid and the impurity make this process of purification suitable?

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

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 7
In steam distillation of aniline, function of steam is:
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 o-nitrophenol and 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 A (b.p. 80°C)  and B (b.p. 110°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?