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QJEEM13Ch4447: JEE Main 2013 Chemistry - Class 11 JEEM13Ch4447 Solution: The order of stability of the following carbocations :

The order of stability of the following carbocations :

JEE Main 2013 (Offline) Chemistry - Basics of Organic Chemistry Question 213 English

Multiple Choice Options

  • A III>II>I
  • B II>III>I
  • C I>II>III
  • D III>I>II

Step-by-Step Verified Solution

Higher stability of allyl and aryl substituted methyl carbocation is due to dispersal of positive charge by resonance.

JEE Main 2013 (Offline) Chemistry - Basics of Organic Chemistry Question 213 English Explanation 1

JEE Main 2013 (Offline) Chemistry - Basics of Organic Chemistry Question 213 English Explanation 2

whereas in alkyl carbocations dispersal of positive charge on different hydrogen atoms is due to hyper conjugation hence the correct order of stability will be

JEE Main 2013 (Offline) Chemistry - Basics of Organic Chemistry Question 213 English Explanation 3

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