Alcohols and Ethers - Result Question 13

####16. The best method to prepare cyclohexene from cyclohexanol is by using

$(2005,1 M)$

(a) conc. $HCl+ZnCl _2$

(b) conc. $H _3 PO _4$

(c) $HBr$

(d) conc. $HCl$

Alcohols and Ethers

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Answer:

Correct Answer: 16. (b)

Solution:

16.

Concentrated $H _3 PO _4$ solution does not involve any substitution product while with others, substitution products are also formed.



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