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Revision OF Previous Topics || HVZ React...

Revision OF Previous Topics || HVZ Reaction , Hunsdiecker Reaction || Arndt Eistert Synthesis Effect OF Heat on Dicarboxylic Acid

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Carboxylic acids having at least one alpha -hydrogen react with Cl_(2) or Br_(2) in the presence of phosphorous to give alpha -halo acids. The reaction is known as Hell -volhar-Zelinsky reaction (HVZ reaction). R-CH_(2)-CO OH overset(P//Br_(2))underset(Delta)toR-CH(Br)CO OH The HVZ reaction is limited to the formation of alpha -chloro and alpha -bromo acids and it is sometimes backward to carry out. the reagents ( X_(2) and P ) are noxious and the reaction time is often long and the conditions of reaction are harsh. Which of the following carboxylic acids will not give HVZ reaction ?

Oxidation OF Alcohol, Oxidative Ozonolysis OF Alkenes, Hydrolysis OF Cyanides||Reaction OF Gridnard Reagent with Aldehyde, SNAE reaction with Examples|| Physical Properties OF Carboxylic Acids, Esterification Reaction, HVZ Reaction and Examples