Hydrocarbons - Result Question 16
17. Cyclohexene is best prepared from cyclohexanol by which of the following?
(2005)
(a) conc. $\mathrm{H}_3 \mathrm{PO}_4$
(b) conc. $\mathrm{HCl} / \mathrm{ZnCl}_2$
(c) conc. HCl
(d) conc. HBr
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Answer:
Correct Answer: 17. (a)
Solution:
- Cyclohexanol on treatment with concentrated $\mathrm{H}_3 \mathrm{PO}_4$ undergo acid catalysed dehydration giving cyclohexene.
BETA
