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Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.
Q. What is true about the reaction given below?
- a)Reaction involves a carbocation intermediate
- b)Reaction involves a carbanion intermediate
- c)Meso or racemic products are formed depending on configuration at double bond
- d)Product is an acyclic alkane
Correct answer is option 'C'. Can you explain this answer?
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Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice ques...
The stereochemistry of halogen addition is unequivocally determined by the
anti
addition and the almost completely restricted rotation of the carbon-carbon bond of the halonium ion. Therefore, the bromination of
cis
-2-butene yields a racemate of (2
R
,3
R
)- and (2
S
,3
S
)-dibromobutane, whereas the bromination of
trans
-2-butene yields the
meso
compound.
Bromination of cis-butene
Bromination of trans-butene
The addition of bromine to cis-butene produces an achiral bromonium ion. Subsequent attack of the bromide ion following either pathway a or b gives the same product because the bromonium ion is symmetrically substituted. The product of the reaction is the racemate of the enantiomeric products (2R,3R)-2,3-dibromobutane and (2S,3S)-2,3-dibromobutane.In contrast, the addition of bromine to trans-butene yields a chiral intermediate bromonium ion possessing no mirror plane. However, in this special case, the products (2S,3R)-2,3-dibromobutane and (2R,3S)-2,3-dibromobutane are meso compounds and therefore identical. Regardless of whether the reaction takes pathway a or b, the same product (with a mirror plane) is always formed, meso-2,3-dibromobutane.
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Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice ques...
Correct answer is option 'C'
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Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.Q.What is true about the reaction given below?a)Reaction involves a carbocation intermediateb)Reaction involves a carbanion intermediatec)Meso or racemic products are formed depending on configuration at double bondd)Product is an acyclic alkaneCorrect answer is option 'C'. Can you explain this answer?
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Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.Q.What is true about the reaction given below?a)Reaction involves a carbocation intermediateb)Reaction involves a carbanion intermediatec)Meso or racemic products are formed depending on configuration at double bondd)Product is an acyclic alkaneCorrect answer is option 'C'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.Q.What is true about the reaction given below?a)Reaction involves a carbocation intermediateb)Reaction involves a carbanion intermediatec)Meso or racemic products are formed depending on configuration at double bondd)Product is an acyclic alkaneCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.Q.What is true about the reaction given below?a)Reaction involves a carbocation intermediateb)Reaction involves a carbanion intermediatec)Meso or racemic products are formed depending on configuration at double bondd)Product is an acyclic alkaneCorrect answer is option 'C'. Can you explain this answer?.
Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.Q.What is true about the reaction given below?a)Reaction involves a carbocation intermediateb)Reaction involves a carbanion intermediatec)Meso or racemic products are formed depending on configuration at double bondd)Product is an acyclic alkaneCorrect answer is option 'C'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.Q.What is true about the reaction given below?a)Reaction involves a carbocation intermediateb)Reaction involves a carbanion intermediatec)Meso or racemic products are formed depending on configuration at double bondd)Product is an acyclic alkaneCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.Q.What is true about the reaction given below?a)Reaction involves a carbocation intermediateb)Reaction involves a carbanion intermediatec)Meso or racemic products are formed depending on configuration at double bondd)Product is an acyclic alkaneCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.Q.What is true about the reaction given below?a)Reaction involves a carbocation intermediateb)Reaction involves a carbanion intermediatec)Meso or racemic products are formed depending on configuration at double bondd)Product is an acyclic alkaneCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 11.
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ample number of questions to practice Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.Q.What is true about the reaction given below?a)Reaction involves a carbocation intermediateb)Reaction involves a carbanion intermediatec)Meso or racemic products are formed depending on configuration at double bondd)Product is an acyclic alkaneCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Class 11 tests.
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