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NEET
Exam
NEET
Subject
Chemistry
Chapter
Haloalkanes and Haloarenes

NEET · Chemistry · Haloalkanes and Haloarenes

Among the following, the compounds which can undergo an S _ N 1...

Among the following, 

Among the following, the compounds which can undergo an S _ N 1 reaction in an aqueous solution, are

the compounds which can undergo an SN1{S}_{N}1 reaction in an aqueous solution, are

Options

  1. AII and IVIV only
  2. BIIII and IVIV only
  3. CIIII and IIIIII only
  4. DII,IIIII, III and IVIV only

Correct answer

C. IIII and IIIIII only

Step-by-step solution

SN1{S}_{N}1 reaction involves carbocation, and therefore only those alkyl halides which can give stable carbocations undergo SN1{S}_{N}1 reaction.

I. 

Among the following, the compounds which can undergo an S _ N 1 reaction in an aqueous solution, are

Unstable Vinylic carbocations are unstable. 

II. 

Among the following, the compounds which can undergo an S _ N 1 reaction in an aqueous solution, are

Stable tert-butyl carbocation has great stability due to hyper conjugation. 

III. 

Among the following, the compounds which can undergo an S _ N 1 reaction in an aqueous solution, are

Stable Resonance and +R+ R effect.

IV. 

Among the following, the compounds which can undergo an S _ N 1 reaction in an aqueous solution, are

Unstable Bridge-head carbocations are very unstable.

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