Which one of the following is an example of Hell-Volhard-Zelinsky reaction?

Question

Which one of the following is an example of Hell-Volhard-Zelinsky reaction? (A)  RCOOH xrightarrow[(ii)H3O+](i)B2 H6 RCH2OH  (B)  (C)  (D)  RCOOH xrightarrowPCl5 RCOCl

Tardigrade Admin · Accepted Answer

When aliphatic carboxylic acids react with bromine in presence of red phosphorus give

α

-halogenated acids. This reaction is known as Hell-Volhard-Zelinsky reaction.

R_{2} C H COO H (i) B r_{2} / R e d P (ii) H_{2} O R_{2} - B r ∣ C - COO H

Q. Which one of the following is an example of Hell-Volhard-Zelinsky reaction?

$RCOO H (i) B_{2} H_{6} (ii) H_{3} O^{+} RC H_{2} O H$

$RCOO H PC l_{5} RCOCl$

When aliphatic carboxylic acids react with bromine in presence of red phosphorus give $α$ -halogenated acids. This reaction is known as Hell-Volhard-Zelinsky reaction.
$R_{2} C H COO H (i) B r_{2} / R e d P (ii) H_{2} O R_{2} - B r ∣ C - COO H$

Q. Which one of the following is an example of Hell-Volhard-Zelinsky reaction?

RCOOH(i)B2​H6​(ii)H3​O+​RCH2​OH

RCOOHPCl5​​RCOCl

When aliphatic carboxylic acids react with bromine in presence of red phosphorus give α-halogenated acids. This reaction is known as Hell-Volhard-Zelinsky reaction. R2​CHCOOH(i)Br2​/RedP(ii)H2​O​R2​−Br∣C​−COOH

$RCOO H (i) B_{2} H_{6} (ii) H_{3} O^{+} RC H_{2} O H$

$RCOO H PC l_{5} RCOCl$

When aliphatic carboxylic acids react with bromine in presence of red phosphorus give $α$ -halogenated acids. This reaction is known as Hell-Volhard-Zelinsky reaction.
$R_{2} C H COO H (i) B r_{2} / R e d P (ii) H_{2} O R_{2} - B r ∣ C - COO H$