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How many of the following compounds can be categorized as allylic halides? 3-Chloropropene, 3 -bromocyclohexene, benzyl chloride, 4 -iodopent- 2 -ene, bromobenzene, (1-chloroethyl)benzene, 4 -chlorocyclopentene, 1-chlorobut-1-ene, 1-chlorobut-2-ene
- a)1
- b)3
- c)4
- d)5
Correct answer is option 'C'. Can you explain this answer?
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How many of the following compounds can be categorized as allylic hali...
In allylic halides, halogen atom is bonded to a sp3 hybridised C-atom next to carbon carbon double bond.
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How many of the following compounds can be categorized as allylic hali...
Understanding Allylic Halides
Allylic halides are compounds where a halogen atom is attached to a carbon atom that is adjacent to a carbon-carbon double bond. To determine how many of the given compounds are allylic halides, we will analyze each one.
Analysis of the Compounds
- 3-Chloropropene:
- Structure: CH2=CH-CH2Cl
- The chlorine is on the allylic position (next to the double bond).
- Allylic halide: Yes
- 3-Bromocyclohexene:
- Structure: A cyclohexene with a bromine on the carbon adjacent to the double bond.
- Allylic halide: Yes
- Benzyl Chloride:
- Structure: C6H5-CH2Cl
- The chlorine is on the carbon next to the phenyl group, but not directly next to a double bond.
- Allylic halide: No
- 4-Iodopent-2-ene:
- Structure: CH3-CH=CH-CH2-I
- The iodine is on the carbon adjacent to the double bond.
- Allylic halide: Yes
- Bromobenzene:
- Structure: C6H5-Br
- The bromine is attached to a carbon of the benzene ring with no adjacent double bond.
- Allylic halide: No
- (1-Chloroethyl)benzene:
- Structure: C6H5-C(CH3)Cl
- The chlorine is not adjacent to a double bond.
- Allylic halide: No
- 4-Chlorocyclopentene:
- Structure: A cyclopentene with a chlorine on an allylic position.
- Allylic halide: Yes
- 1-Chlorobut-1-ene:
- Structure: CH2=CH-CH2-CH2Cl
- The chlorine is not adjacent to a double bond.
- Allylic halide: No
- 1-Chlorobut-2-ene:
- Structure: CH3-CH=CH-CH2Cl
- The chlorine is on the carbon adjacent to the double bond.
- Allylic halide: Yes
Conclusion
The allylic halides among the listed compounds are:
1. 3-Chloropropene
2. 3-Bromocyclohexene
3. 4-Iodopent-2-ene
4. 4-Chlorocyclopentene
5. 1-Chlorobut-2-ene
Thus, the total number of allylic halides is 4. Hence, the correct answer is option 'C'.
Allylic halides are compounds where a halogen atom is attached to a carbon atom that is adjacent to a carbon-carbon double bond. To determine how many of the given compounds are allylic halides, we will analyze each one.
Analysis of the Compounds
- 3-Chloropropene:
- Structure: CH2=CH-CH2Cl
- The chlorine is on the allylic position (next to the double bond).
- Allylic halide: Yes
- 3-Bromocyclohexene:
- Structure: A cyclohexene with a bromine on the carbon adjacent to the double bond.
- Allylic halide: Yes
- Benzyl Chloride:
- Structure: C6H5-CH2Cl
- The chlorine is on the carbon next to the phenyl group, but not directly next to a double bond.
- Allylic halide: No
- 4-Iodopent-2-ene:
- Structure: CH3-CH=CH-CH2-I
- The iodine is on the carbon adjacent to the double bond.
- Allylic halide: Yes
- Bromobenzene:
- Structure: C6H5-Br
- The bromine is attached to a carbon of the benzene ring with no adjacent double bond.
- Allylic halide: No
- (1-Chloroethyl)benzene:
- Structure: C6H5-C(CH3)Cl
- The chlorine is not adjacent to a double bond.
- Allylic halide: No
- 4-Chlorocyclopentene:
- Structure: A cyclopentene with a chlorine on an allylic position.
- Allylic halide: Yes
- 1-Chlorobut-1-ene:
- Structure: CH2=CH-CH2-CH2Cl
- The chlorine is not adjacent to a double bond.
- Allylic halide: No
- 1-Chlorobut-2-ene:
- Structure: CH3-CH=CH-CH2Cl
- The chlorine is on the carbon adjacent to the double bond.
- Allylic halide: Yes
Conclusion
The allylic halides among the listed compounds are:
1. 3-Chloropropene
2. 3-Bromocyclohexene
3. 4-Iodopent-2-ene
4. 4-Chlorocyclopentene
5. 1-Chlorobut-2-ene
Thus, the total number of allylic halides is 4. Hence, the correct answer is option 'C'.
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How many of the following compounds can be categorized as allylic halides? 3-Chloropropene, 3-bromocyclohexene, benzyl chloride, 4-iodopent- 2-ene, bromobenzene, (1-chloroethyl)benzene, 4-chlorocyclopentene, 1-chlorobut-1-ene, 1-chlorobut-2-enea)1b)3c)4d)5Correct answer is option 'C'. Can you explain this answer?
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How many of the following compounds can be categorized as allylic halides? 3-Chloropropene, 3-bromocyclohexene, benzyl chloride, 4-iodopent- 2-ene, bromobenzene, (1-chloroethyl)benzene, 4-chlorocyclopentene, 1-chlorobut-1-ene, 1-chlorobut-2-enea)1b)3c)4d)5Correct answer is option 'C'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about How many of the following compounds can be categorized as allylic halides? 3-Chloropropene, 3-bromocyclohexene, benzyl chloride, 4-iodopent- 2-ene, bromobenzene, (1-chloroethyl)benzene, 4-chlorocyclopentene, 1-chlorobut-1-ene, 1-chlorobut-2-enea)1b)3c)4d)5Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for How many of the following compounds can be categorized as allylic halides? 3-Chloropropene, 3-bromocyclohexene, benzyl chloride, 4-iodopent- 2-ene, bromobenzene, (1-chloroethyl)benzene, 4-chlorocyclopentene, 1-chlorobut-1-ene, 1-chlorobut-2-enea)1b)3c)4d)5Correct answer is option 'C'. Can you explain this answer?.
How many of the following compounds can be categorized as allylic halides? 3-Chloropropene, 3-bromocyclohexene, benzyl chloride, 4-iodopent- 2-ene, bromobenzene, (1-chloroethyl)benzene, 4-chlorocyclopentene, 1-chlorobut-1-ene, 1-chlorobut-2-enea)1b)3c)4d)5Correct answer is option 'C'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about How many of the following compounds can be categorized as allylic halides? 3-Chloropropene, 3-bromocyclohexene, benzyl chloride, 4-iodopent- 2-ene, bromobenzene, (1-chloroethyl)benzene, 4-chlorocyclopentene, 1-chlorobut-1-ene, 1-chlorobut-2-enea)1b)3c)4d)5Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for How many of the following compounds can be categorized as allylic halides? 3-Chloropropene, 3-bromocyclohexene, benzyl chloride, 4-iodopent- 2-ene, bromobenzene, (1-chloroethyl)benzene, 4-chlorocyclopentene, 1-chlorobut-1-ene, 1-chlorobut-2-enea)1b)3c)4d)5Correct answer is option 'C'. Can you explain this answer?.
Solutions for How many of the following compounds can be categorized as allylic halides? 3-Chloropropene, 3-bromocyclohexene, benzyl chloride, 4-iodopent- 2-ene, bromobenzene, (1-chloroethyl)benzene, 4-chlorocyclopentene, 1-chlorobut-1-ene, 1-chlorobut-2-enea)1b)3c)4d)5Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE.
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