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Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]
- a)by direct fluorination of benzene with F2 gas
- b)by reacting bromobenzene with NaF solution
- c)by heating phenol with HF and KF
- d)from aniline by diazotisation followed by heating thediazonium salt with HBF4
Correct answer is option 'D'. Can you explain this answer?
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Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)...
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Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)...
From Aniline to Fluorobenzene:
Aniline can be converted to fluorobenzene through a series of steps involving diazotization and reaction with HBF4. Here's how it works:
Diazotization of Aniline:
- Aniline is first treated with sodium nitrite (NaNO2) and hydrochloric acid (HCl) to form the diazonium salt of aniline.
- This reaction is known as diazotization and involves the replacement of the amino group (-NH2) with a diazonium group (-N2+).
Reaction with HBF4:
- The diazonium salt formed is then treated with a solution of hydrofluoric acid (HF) and KF (potassium fluoride).
- The HF/KF mixture helps in the replacement of the diazonium group with a fluorine atom, resulting in the formation of fluorobenzene.
Key Points:
- The use of HBF4 in the reaction is crucial for the introduction of the fluorine atom onto the benzene ring.
- This method allows for the synthesis of fluorobenzene from aniline, providing a route to access this compound in the laboratory.
In conclusion, the conversion of aniline to fluorobenzene through diazotization followed by reaction with HBF4 is a viable method for the synthesis of fluorobenzene in the laboratory.
Aniline can be converted to fluorobenzene through a series of steps involving diazotization and reaction with HBF4. Here's how it works:
Diazotization of Aniline:
- Aniline is first treated with sodium nitrite (NaNO2) and hydrochloric acid (HCl) to form the diazonium salt of aniline.
- This reaction is known as diazotization and involves the replacement of the amino group (-NH2) with a diazonium group (-N2+).
Reaction with HBF4:
- The diazonium salt formed is then treated with a solution of hydrofluoric acid (HF) and KF (potassium fluoride).
- The HF/KF mixture helps in the replacement of the diazonium group with a fluorine atom, resulting in the formation of fluorobenzene.
Key Points:
- The use of HBF4 in the reaction is crucial for the introduction of the fluorine atom onto the benzene ring.
- This method allows for the synthesis of fluorobenzene from aniline, providing a route to access this compound in the laboratory.
In conclusion, the conversion of aniline to fluorobenzene through diazotization followed by reaction with HBF4 is a viable method for the synthesis of fluorobenzene in the laboratory.
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Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)by direct fluorination of benzene with F2 gasb)by reacting bromobenzene with NaF solutionc)by heating phenol with HF and KFd)from aniline by diazotisation followed by heating thediazonium salt with HBF4Correct answer is option 'D'. Can you explain this answer?
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Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)by direct fluorination of benzene with F2 gasb)by reacting bromobenzene with NaF solutionc)by heating phenol with HF and KFd)from aniline by diazotisation followed by heating thediazonium salt with HBF4Correct answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)by direct fluorination of benzene with F2 gasb)by reacting bromobenzene with NaF solutionc)by heating phenol with HF and KFd)from aniline by diazotisation followed by heating thediazonium salt with HBF4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)by direct fluorination of benzene with F2 gasb)by reacting bromobenzene with NaF solutionc)by heating phenol with HF and KFd)from aniline by diazotisation followed by heating thediazonium salt with HBF4Correct answer is option 'D'. Can you explain this answer?.
Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)by direct fluorination of benzene with F2 gasb)by reacting bromobenzene with NaF solutionc)by heating phenol with HF and KFd)from aniline by diazotisation followed by heating thediazonium salt with HBF4Correct answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)by direct fluorination of benzene with F2 gasb)by reacting bromobenzene with NaF solutionc)by heating phenol with HF and KFd)from aniline by diazotisation followed by heating thediazonium salt with HBF4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)by direct fluorination of benzene with F2 gasb)by reacting bromobenzene with NaF solutionc)by heating phenol with HF and KFd)from aniline by diazotisation followed by heating thediazonium salt with HBF4Correct answer is option 'D'. Can you explain this answer?.
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Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)by direct fluorination of benzene with F2 gasb)by reacting bromobenzene with NaF solutionc)by heating phenol with HF and KFd)from aniline by diazotisation followed by heating thediazonium salt with HBF4Correct answer is option 'D'. Can you explain this answer?, a detailed solution for Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)by direct fluorination of benzene with F2 gasb)by reacting bromobenzene with NaF solutionc)by heating phenol with HF and KFd)from aniline by diazotisation followed by heating thediazonium salt with HBF4Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of Fluorobenzene (C6H5F) can be synthesized in the laboratory [2006]a)by direct fluorination of benzene with F2 gasb)by reacting bromobenzene with NaF solutionc)by heating phenol with HF and KFd)from aniline by diazotisation followed by heating thediazonium salt with HBF4Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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