Organic Chemistry Some Basic Principles And Techniques Ques 60
60. Which one of the following is a technique most suitable for purification of cyclohexanone from a mixture containing benzoic acid, isoamyl alcohol, cyclohexane and cyclohexanone?
[1997]
(a) Crystallization
(b) Sublimation
(c) IR spectroscopy
(d) Gas chromatography
Show Answer
Answer:
Correct Answer: 60.(c)
Solution:
- (c) $IR$ spectroscopy is used for the purification of cyclohexanone from a mixture of benzoic acid, isoamyl alcohol, cyclohexane and cyclohexanone. Because in this method, each functional group appear at a certain peak. So, cyclohexanone can be identified by carbonyl peak.
An amyl alcohol is any one of $8$ alcohols with the formula $C_5 H _{12} O$ (alkanol with $5$ carbons).
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