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The reaction of ethyl magnesium bromide with water would give [1999]
- a)Ethane
- b)Ethyl alcohol
- c)Ethyl bromide
- d)Ethyl ether
Correct answer is option 'A'. Can you explain this answer?
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Reaction Overview
The reaction of ethyl magnesium bromide, which is a Grignard reagent, with water is an important reaction in organic chemistry. Grignard reagents are highly reactive organomagnesium compounds that can react with various electrophiles.
Reaction Mechanism
- Ethyl magnesium bromide (C2H5MgBr) consists of a nucleophilic ethyl group (C2H5-) and a magnesium bromide component.
- When it comes into contact with water (H2O), the nucleophilic ethyl group attacks the electrophilic hydrogen in water.
Products of the Reaction
- The primary product formed in this reaction is ethane (C2H6).
- The overall reaction can be summarized as:
- C2H5MgBr + H2O → C2H6 + Mg(OH)Br
- Here, the ethyl group (C2H5-) from the Grignard reagent combines with a hydrogen atom from water to produce ethane.
Why Ethyl Alcohol is Incorrect
- While ethyl alcohol (ethanol) is formed in some Grignard reactions with carbonyl compounds, in this case, the direct reaction with water does not lead to the formation of alcohol.
- Instead, the high reactivity of the Grignard reagent with water leads to the formation of ethane and magnesium hydroxide bromide.
Conclusion
- Therefore, the correct answer to the question regarding the product of the reaction between ethyl magnesium bromide and water is option A: Ethane.
Understanding this reaction highlights the reactivity of Grignard reagents and their role in organic synthesis.
The reaction of ethyl magnesium bromide, which is a Grignard reagent, with water is an important reaction in organic chemistry. Grignard reagents are highly reactive organomagnesium compounds that can react with various electrophiles.
Reaction Mechanism
- Ethyl magnesium bromide (C2H5MgBr) consists of a nucleophilic ethyl group (C2H5-) and a magnesium bromide component.
- When it comes into contact with water (H2O), the nucleophilic ethyl group attacks the electrophilic hydrogen in water.
Products of the Reaction
- The primary product formed in this reaction is ethane (C2H6).
- The overall reaction can be summarized as:
- C2H5MgBr + H2O → C2H6 + Mg(OH)Br
- Here, the ethyl group (C2H5-) from the Grignard reagent combines with a hydrogen atom from water to produce ethane.
Why Ethyl Alcohol is Incorrect
- While ethyl alcohol (ethanol) is formed in some Grignard reactions with carbonyl compounds, in this case, the direct reaction with water does not lead to the formation of alcohol.
- Instead, the high reactivity of the Grignard reagent with water leads to the formation of ethane and magnesium hydroxide bromide.
Conclusion
- Therefore, the correct answer to the question regarding the product of the reaction between ethyl magnesium bromide and water is option A: Ethane.
Understanding this reaction highlights the reactivity of Grignard reagents and their role in organic synthesis.
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Question Description
The reaction of ethyl magnesium bromide with water would give [1999]a)Ethaneb)Ethyl alcoholc)Ethyl bromided)Ethyl etherCorrect answer is option 'A'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about The reaction of ethyl magnesium bromide with water would give [1999]a)Ethaneb)Ethyl alcoholc)Ethyl bromided)Ethyl etherCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The reaction of ethyl magnesium bromide with water would give [1999]a)Ethaneb)Ethyl alcoholc)Ethyl bromided)Ethyl etherCorrect answer is option 'A'. Can you explain this answer?.
The reaction of ethyl magnesium bromide with water would give [1999]a)Ethaneb)Ethyl alcoholc)Ethyl bromided)Ethyl etherCorrect answer is option 'A'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about The reaction of ethyl magnesium bromide with water would give [1999]a)Ethaneb)Ethyl alcoholc)Ethyl bromided)Ethyl etherCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The reaction of ethyl magnesium bromide with water would give [1999]a)Ethaneb)Ethyl alcoholc)Ethyl bromided)Ethyl etherCorrect answer is option 'A'. Can you explain this answer?.
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