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NEET UG CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
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Which of the following techniques is used to separate glycerol from spent-lye in soap industry?
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Correct option: B
Distillation under reduced pressure
The correct answer is Distillation under reduced pressure because glycerol has a high boiling point and can decompose at high temperatures, so reducing the pressure lowers the boiling point and prevents decomposition.
More Questions from ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
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The number of different substitution products possible when ethane is allowed to react with bromine is sunlight are :
Correct order of stability is
Assertion (A) A mixture of o-nitrophenol and p-nitrophenol can be separated by steam distillation.
Reason (R) -nitrophenol is steam volatile whereas onitrophenol is not steam volatile. An organic compound having carbon, hydrogen and sulphur contains 4% of sulphur. The minimum molecular weight of the compound is Increasing order of acid strength is
a) Phenol b) 3-Nitrophenol
c) 3,5-dinitro phenol 4) 2,4,6-trinitro phenol Isobutyl chloride is :
Reason (R) -nitrophenol is steam volatile whereas onitrophenol is not steam volatile. An organic compound having carbon, hydrogen and sulphur contains 4% of sulphur. The minimum molecular weight of the compound is Increasing order of acid strength is
a) Phenol b) 3-Nitrophenol
c) 3,5-dinitro phenol 4) 2,4,6-trinitro phenol Isobutyl chloride is :