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3-phenyl 1-butene is hydrolyzed (water addition) in the presence of small amount of HCl, the major product formed for the reaction should be
- a)3-phenyl-2-butanol
- b)2-phenyl-2-butanol
- c)1-phen yl-3-butanol
- d)1-phen yl-2-butanol
Correct answer is option 'B'. Can you explain this answer?
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3-phenyl 1-butene is hydrolyzed (water addition) in the presence of sm...
Hydrolysis of 3-phenyl 1-butene in the presence of HCl
Introduction
Hydrolysis is a chemical reaction in which a compound reacts with water to form new compounds. In this reaction, water is added across a carbon-carbon double bond, resulting in the formation of an alcohol.
Reaction
The hydrolysis of 3-phenyl 1-butene in the presence of a small amount of HCl can be represented by the following reaction:
3-phenyl 1-butene + HCl + H2O → 2-phenyl 2-butanol
Explanation
The hydrolysis reaction involves the addition of water across the carbon-carbon double bond of the 3-phenyl 1-butene molecule. The presence of a small amount of HCl acts as a catalyst for the reaction.
Formation of the major product
The major product formed in this reaction is 2-phenyl 2-butanol. This can be explained by considering the regioselectivity and stereoselectivity of the reaction.
Regioselectivity
Regioselectivity refers to the preference of a reaction to occur at a specific site on a molecule. In this case, the water molecule adds across the double bond to the carbon atom of the 1-butene group, leading to the formation of a secondary alcohol.
Stereoselectivity
Stereoselectivity refers to the preference of a reaction to produce a specific stereoisomer. In this case, the addition of water to the double bond results in the formation of a racemic mixture of enantiomers.
Conclusion
In the hydrolysis reaction of 3-phenyl 1-butene in the presence of a small amount of HCl, the major product formed is 2-phenyl 2-butanol. This is due to the regioselective addition of water across the double bond and the stereoselective formation of a racemic mixture of enantiomers.
Introduction
Hydrolysis is a chemical reaction in which a compound reacts with water to form new compounds. In this reaction, water is added across a carbon-carbon double bond, resulting in the formation of an alcohol.
Reaction
The hydrolysis of 3-phenyl 1-butene in the presence of a small amount of HCl can be represented by the following reaction:
3-phenyl 1-butene + HCl + H2O → 2-phenyl 2-butanol
Explanation
The hydrolysis reaction involves the addition of water across the carbon-carbon double bond of the 3-phenyl 1-butene molecule. The presence of a small amount of HCl acts as a catalyst for the reaction.
Formation of the major product
The major product formed in this reaction is 2-phenyl 2-butanol. This can be explained by considering the regioselectivity and stereoselectivity of the reaction.
Regioselectivity
Regioselectivity refers to the preference of a reaction to occur at a specific site on a molecule. In this case, the water molecule adds across the double bond to the carbon atom of the 1-butene group, leading to the formation of a secondary alcohol.
Stereoselectivity
Stereoselectivity refers to the preference of a reaction to produce a specific stereoisomer. In this case, the addition of water to the double bond results in the formation of a racemic mixture of enantiomers.
Conclusion
In the hydrolysis reaction of 3-phenyl 1-butene in the presence of a small amount of HCl, the major product formed is 2-phenyl 2-butanol. This is due to the regioselective addition of water across the double bond and the stereoselective formation of a racemic mixture of enantiomers.
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Community Answer
3-phenyl 1-butene is hydrolyzed (water addition) in the presence of sm...
Yes major product is (b) because of rearrangement of carbocation by hydride shift leading to more stable carbocation, stabilized by resonance due to benzene ring present (at 3rd carbon with respect to 3-phenyl-1-butene iupac naming) after that nucleophile OH- attacks the carbocation followed by protonation. so now the iupac naming changes of this hydrocarbon that is the phenyl group which was considered that it is present at 3rd carbon because of alkene group which was present at 1st carbon and counting of carbon starts from alkene. But now the product is different,alkene group is not present so counting will now start from the side nearest to phenyl and OH group. so the major product will become 2-phenyl-2-butanol.
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3-phenyl 1-butene is hydrolyzed (water addition) in the presence of small amount of HCl, the major product formed for the reaction should bea)3-phenyl-2-butanol b)2-phenyl-2-butanol c)1-phen yl-3-butanol d)1-phen yl-2-butanolCorrect answer is option 'B'. Can you explain this answer?
Question Description
3-phenyl 1-butene is hydrolyzed (water addition) in the presence of small amount of HCl, the major product formed for the reaction should bea)3-phenyl-2-butanol b)2-phenyl-2-butanol c)1-phen yl-3-butanol d)1-phen yl-2-butanolCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about 3-phenyl 1-butene is hydrolyzed (water addition) in the presence of small amount of HCl, the major product formed for the reaction should bea)3-phenyl-2-butanol b)2-phenyl-2-butanol c)1-phen yl-3-butanol d)1-phen yl-2-butanolCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 3-phenyl 1-butene is hydrolyzed (water addition) in the presence of small amount of HCl, the major product formed for the reaction should bea)3-phenyl-2-butanol b)2-phenyl-2-butanol c)1-phen yl-3-butanol d)1-phen yl-2-butanolCorrect answer is option 'B'. Can you explain this answer?.
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