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Acid catalysed hydration of alkenes except ethene leads to the formation of
- a)mixture of secondary and tertiary alcohols
- b)mixture of primary and secondary alcohols
- c)secondary or tertiary alcohol
- d)primary alcohol
Correct answer is option 'C'. Can you explain this answer?
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Acid catalysed hydration of alkenes except ethene leads to the formati...
Acid Catalysed Hydration of Alkenes
The acid catalysed hydration of alkenes involves the addition of water to an alkene in the presence of an acid catalyst, typically sulfuric acid. This reaction is an important method for the synthesis of alcohols.
Formation of Alcohols
- When alkenes undergo acid catalysed hydration, they form alcohols.
- Except for ethene, which forms ethanol, other alkenes lead to the formation of secondary or tertiary alcohols.
Reason for Secondary or Tertiary Alcohols
- The formation of secondary or tertiary alcohols in the acid catalysed hydration of alkenes (except ethene) is due to the carbocation intermediate formed during the reaction.
- The carbocation intermediate can undergo rearrangement, leading to the formation of secondary or tertiary alcohols depending on the alkene structure.
Primary Alcohol Formation
- In the case of ethene, the reaction directly leads to the formation of ethanol, a primary alcohol, without the formation of carbocation intermediates that can rearrange.
Therefore, the acid catalysed hydration of alkenes (except ethene) typically results in the formation of secondary or tertiary alcohols due to the carbocation rearrangement process involved in the reaction.
The acid catalysed hydration of alkenes involves the addition of water to an alkene in the presence of an acid catalyst, typically sulfuric acid. This reaction is an important method for the synthesis of alcohols.
Formation of Alcohols
- When alkenes undergo acid catalysed hydration, they form alcohols.
- Except for ethene, which forms ethanol, other alkenes lead to the formation of secondary or tertiary alcohols.
Reason for Secondary or Tertiary Alcohols
- The formation of secondary or tertiary alcohols in the acid catalysed hydration of alkenes (except ethene) is due to the carbocation intermediate formed during the reaction.
- The carbocation intermediate can undergo rearrangement, leading to the formation of secondary or tertiary alcohols depending on the alkene structure.
Primary Alcohol Formation
- In the case of ethene, the reaction directly leads to the formation of ethanol, a primary alcohol, without the formation of carbocation intermediates that can rearrange.
Therefore, the acid catalysed hydration of alkenes (except ethene) typically results in the formation of secondary or tertiary alcohols due to the carbocation rearrangement process involved in the reaction.
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Acid catalysed hydration of alkenes except ethene leads to the formation ofa)mixture of secondary and tertiary alcoholsb)mixture of primary and secondary alcoholsc)secondary or tertiary alcohold)primary alcoholCorrect answer is option 'C'. Can you explain this answer?
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