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Question: Answered & Verified by Expert
Arrange stability of the given carbon cation in decreasing order


ChemistryGeneral Organic ChemistryCOMEDKCOMEDK 2021
Options:
  • A (iii) $>($ ii $)>($ i $)>($ iv $)$
  • B (i) $>($ ii $)>($ iii $)>($ iv $)$
  • C (iii) $>($ i $)>($ ii $)>$ (iv) $\quad$
  • D (ii) $>($ iii $)>($ i $)>$ (iv)
Solution:
1392 Upvotes Verified Answer
The correct answer is: (iii) $>($ ii $)>($ i $)>($ iv $)$
The correct decreasing order of the stabilities of given carbocations is
$$
\text { (iii })>(\text { ii })>(\text { i })>(\text { iv })
$$
Because electron releasing effect stabilises the carbocation. Electron releasing order is
$$
\mathrm{NH}_{2}>\mathrm{OH}>\mathrm{OCH}_{3}>\mathrm{Cl} \text {. }
$$

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