Carboxylic acids having at least one α -hydrogen react with Cl2 or Br2 in the presence of phosphorus (or a phosphorus halide) to give α -halo acids. This reaction is known as Hell-Volhard-Zelinsky reaction (HVZ reaction),
R–CH2–COOH 
The HVZ reaction is limited to the formation of α -chloro and α -bromo acids and it is sometimes awkward to carry out. The reagents (X2 and P) are noxious and the reaction time is often long and the conditions of reaction are harsh.
(i)Which of the following carboxylic acids will not give HVZ reaction ?
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
(i)
Sol. 
(ii)
Sol. All of these
(iii)
Sol. 
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