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Question: Answered & Verified by Expert
Match the following.


The correct match is
$\text { A } \quad B \quad C$
ChemistryHaloalkanes and HaloarenesTS EAMCETTS EAMCET 2021 (06 Aug Shift 2)
Options:
  • A II I IV
  • B III IV IV
  • C III I I
  • D II IV I
Solution:
2563 Upvotes Verified Answer
The correct answer is: III IV IV
(A) Addition of HI takes place by the formation of $1^{\circ}$ and $2^{\circ}$ carbonium ion. $2^{\circ}$ carbonium ion being more stable will form major product, i.e. 2-iodopropane.


(B) The reaction of bromine with 1-phenylethane proceed with formation of free radical. $2^{\circ}$ free radical being more stable than $1^{\circ}$ free radical, will form the product as 1-bromo-1-phenylethane.

(C) Reaction of $\mathrm{HBr}$ to an alkene follows Markownikoff rule. So, the product will be 1-bromo-1-phenylethane.

Note : Markownikoff's rule states that, electron rich component adds to carbon atom with less number of hydrogen atoms.
Hence, the correct match is A-III, B-IV, C-IV. The reactions are :

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