2
Question
⎡⎢
⎢⎣CH3CH2CH2−CH3+|N|−CH3CH2CH3⎤⎥
⎥⎦OH−Heat−−−→Consider the reaction Which of the following is formed in major amount?
⎡⎢
⎢⎣CH3CH2CH2−CH3+|N|−CH3CH2CH3⎤⎥
⎥⎦OH−Heat−−−→
Consider the reaction Which of the following is formed in major amount?Open in App
Solution
The correct option is A CH2=CH2
⎡⎢
⎢⎣CH3CH2CH2−CH3+|N|−CH3CH2CH3⎤⎥
⎥⎦OH−Heat−−−→CH3CH2CH2−CH3|N|HCH3+CH2=CH2
The given reaction is Hofmann elimination process where a quaternary amine is heated to create a tertiary amine and an alkene.With the given quaternary ammonium hydroxyl anion, the major alkene product is the least substituted. Thus the major alkene formed is ethene.
⎡⎢
⎢⎣CH3CH2CH2−CH3+|N|−CH3CH2CH3⎤⎥
⎥⎦OH−Heat−−−→CH3CH2CH2−CH3|N|HCH3+CH2=CH2
The given reaction is Hofmann elimination process where a quaternary amine is heated to create a tertiary amine and an alkene.With the given quaternary ammonium hydroxyl anion, the major alkene product is the least substituted. Thus the major alkene formed is ethene.
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