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Title: order of stability of carbocations
Post by: rohit on September 20, 2018, 07:15:42 AM

The decreasing order of stability of following cations is.
(a) P>R>Q>S
(b) Q>R>S>P
(c) R>S>Q>P
(d) P>R>S>Q

Title: Re: order of stability of carbocations
Post by: uma on September 21, 2018, 08:34:42 AM

Here all are benzylic carbocation..
Now remember EDGs increases the stability of the carbocation and EWGs decreases the stability of carbocations.
-OH the strongest EDG and NO2 is the strongest EWG. -NHCOR (amides) are milder EDG.
Now arrange them in right order ...
P> R> Q> S

Title: Re: order of stability of carbocations
Post by: RONIT ROY on September 22, 2018, 05:44:24 AM

Really helpful Thank you very much.

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Chemistry Homework Help => Organic Chemistry => Topic started by: rohit on September 20, 2018, 07:15:42 AM