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Simple Carbohydrates

The relative ...

Question

The relative rate of acid catalysed dehydration of following alcohols would be:

A

R > P > Q > S

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B

R > S > P > Q

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C

P > R > S > Q

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D

R > S > Q > P

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Solution

The correct option is C P > R > S > Q
acid catalysed depend upon alpha hydrogen so $3^{o} > 2^{o} >!^{o}$
alph ahydrogen is S > Q
correct order is P> R> S >Q

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