Study the following reaction. |
\[{{C}_{2}}{{H}_{5}}OH+SOC{{l}_{2}}\xrightarrow[Pyridine]{}{{C}_{2}}{{H}_{5}}Cl+S{{O}_{2}}+HCl\] |
The above reaction is also known as |
A) Kharasch effect
B) Darzen's process
C) Williamson's synthesis
D) Hunsdieker synthesis reaction
Correct Answer: A
Solution :
[a]Alcohol reacts with \[SOC{{l}_{2}}\] in presence of pyridine to produce alkyl halide along with sulphur dioxide and hydrochloric acid. Pyridine is added to neutralise the effect of acid. |
\[{{C}_{2}}{{H}_{5}}OH+SOC{{l}_{2}}\xrightarrow{Pyridine}{{C}_{2}}{{H}_{5}}Cl+S{{O}_{2}}\uparrow +\,HCl\] |
This reaction is Darzens process. |
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