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What is the major product for the following reaction? What is the major product for the following reaction? A) B) C) D) E) More than one of the above


A)
What is the major product for the following reaction? A) B) C) D) E) More than one of the above
B)
What is the major product for the following reaction? A) B) C) D) E) More than one of the above
C)
What is the major product for the following reaction? A) B) C) D) E) More than one of the above
D)
What is the major product for the following reaction? A) B) C) D) E) More than one of the above
E) More than one of the above

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Conversion of alkynes to E-alkenes (trans-alkenes)can be accomplished via a __________________ reaction.

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dissolving...

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Complete the following reaction,giving structural details of all intermediates as well as the final product. Complete the following reaction,giving structural details of all intermediates as well as the final product.

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What is the major product of the reaction of the following reaction? What is the major product of the reaction of the following reaction? A) B) C) D) E)


A)
What is the major product of the reaction of the following reaction? A) B) C) D) E)
B)
What is the major product of the reaction of the following reaction? A) B) C) D) E)
C)
What is the major product of the reaction of the following reaction? A) B) C) D) E)
D)
What is the major product of the reaction of the following reaction? A) B) C) D) E)
E)
What is the major product of the reaction of the following reaction? A) B) C) D) E)

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Which of the following carbocations would NOT be likely to undergo rearrangement?


A)
Which of the following carbocations would NOT be likely to undergo rearrangement? A) B) C) D) E)
B)
Which of the following carbocations would NOT be likely to undergo rearrangement? A) B) C) D) E)
C)
Which of the following carbocations would NOT be likely to undergo rearrangement? A) B) C) D) E)
D)
Which of the following carbocations would NOT be likely to undergo rearrangement? A) B) C) D) E)
E)
Which of the following carbocations would NOT be likely to undergo rearrangement? A) B) C) D) E)

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Which statement(s) is/are true of acid-catalyzed alcohol dehydrations?


A) Protonation of the alcohol is a fast step.
B) Formation of a carbocation from the protonated alcohol is a slow step.
C) Rearrangements of less stable carbocations to more stable carbocations are common.
D) Loss of a proton by the carbocation is a fast step.
E) All of the above

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What is the major product for the following reaction sequence? What is the major product for the following reaction sequence? A) B) C) D) E) None of the above


A)
What is the major product for the following reaction sequence? A) B) C) D) E) None of the above
B)
What is the major product for the following reaction sequence? A) B) C) D) E) None of the above
C)
What is the major product for the following reaction sequence? A) B) C) D) E) None of the above
D)
What is the major product for the following reaction sequence? A) B) C) D) E) None of the above
E) None of the above

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A correct IUPAC name for the following compound is: A correct IUPAC name for the following compound is: A) 3,3,5-trimethyl-2-hexene B) 3-isobutyl-3-isopropyl-2-propene C) 3-isobutyl-4-methyl-2-pentene D) 3-(1-methylethyl) -5-methyl-2-hexene E) None of the above


A) 3,3,5-trimethyl-2-hexene
B) 3-isobutyl-3-isopropyl-2-propene
C) 3-isobutyl-4-methyl-2-pentene
D) 3-(1-methylethyl) -5-methyl-2-hexene
E) None of the above

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What is the major product for the following reaction? What is the major product for the following reaction? A) B) C) D) E)


A)
What is the major product for the following reaction? A) B) C) D) E)
B)
What is the major product for the following reaction? A) B) C) D) E)
C)
What is the major product for the following reaction? A) B) C) D) E)
D)
What is the major product for the following reaction? A) B) C) D) E)
E)
What is the major product for the following reaction? A) B) C) D) E)

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Alkynes can be produced from either __________________ or _________________ dihalides.

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The correct IUPAC name for the following compound is: The correct IUPAC name for the following compound is: A) (E) -2-Bromo-3-chloro-5-methyl-2-hexene B) (E) -2-Bromo-3-chloro-5-methyl-3-hexene C) (Z) -2-Bromo-3-chloro-5-methyl-3-hexene D) (Z) -2-Bromo-3-chloro-5-methyl-2-hexene E) (E) -2-Methyl-5-bromo-4-chloro-4-hexene


A) (E) -2-Bromo-3-chloro-5-methyl-2-hexene
B) (E) -2-Bromo-3-chloro-5-methyl-3-hexene
C) (Z) -2-Bromo-3-chloro-5-methyl-3-hexene
D) (Z) -2-Bromo-3-chloro-5-methyl-2-hexene
E) (E) -2-Methyl-5-bromo-4-chloro-4-hexene

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Which alcohol would initially produce the most stable carbocation when treated with concentrated H2SO4?


A)
Which alcohol would initially produce the most stable carbocation when treated with concentrated H<sub>2</sub>SO<sub>4</sub>? A) B) C) D) E)
B)
Which alcohol would initially produce the most stable carbocation when treated with concentrated H<sub>2</sub>SO<sub>4</sub>? A) B) C) D) E)
C)
Which alcohol would initially produce the most stable carbocation when treated with concentrated H<sub>2</sub>SO<sub>4</sub>? A) B) C) D) E)
D)
Which alcohol would initially produce the most stable carbocation when treated with concentrated H<sub>2</sub>SO<sub>4</sub>? A) B) C) D) E)
E)
Which alcohol would initially produce the most stable carbocation when treated with concentrated H<sub>2</sub>SO<sub>4</sub>? A) B) C) D) E)

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Carbocations are frequent intermediates in acidic reactions of alkenes,alcohols,etc.What do carbocations usually do? They may:


A) rearrange to a more stable carbocation.
B) lose a proton to form an alkene.
C) combine with a nucleophile.
D) react with an alkene to form a larger carbocation.
E) do all of the above.

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What is the major product for the following reaction? What is the major product for the following reaction? A) B) C) D) E) More than one of the above


A)
What is the major product for the following reaction? A) B) C) D) E) More than one of the above
B)
What is the major product for the following reaction? A) B) C) D) E) More than one of the above
C)
What is the major product for the following reaction? A) B) C) D) E) More than one of the above
D)
What is the major product for the following reaction? A) B) C) D) E) More than one of the above
E) More than one of the above

Correct Answer

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Which statement is/are true about acetylide anions?


A) They do not alkylate with secondary alkyl halides.
B) Primary alkyl halides are best suited for alkylation.
C) In the presence of tertiary alkyl halides,the acetylide anion acts as base to give an elimination product.
D) Only two of the above are true.
E) All of the statements are true.

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Carbocations have three options available for further reaction.These options include reaction with a nucleophile,loss of a beta proton to give an alkene,and ________________.

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Propose a reasonable synthetic strategy for the synthesis of trans-6-methyl-3-heptene from 4-methyl-1-pentyne.

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blured image Step 1:
Add NaNH2/NH3(l)to selectively de...

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The structure of the product,C,of the following sequence of reactions would be: The structure of the product,C,of the following sequence of reactions would be: A) B) C) D) E)


A)
The structure of the product,C,of the following sequence of reactions would be: A) B) C) D) E)
B)
The structure of the product,C,of the following sequence of reactions would be: A) B) C) D) E)
C)
The structure of the product,C,of the following sequence of reactions would be: A) B) C) D) E)
D)
The structure of the product,C,of the following sequence of reactions would be: A) B) C) D) E)
E)
The structure of the product,C,of the following sequence of reactions would be: A) B) C) D) E)

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Concerning the relative stabilities of alkenes,which is a false statement?


A) Unless hydrogenation of the alkenes gives the same alkane,heats of hydrogenation cannot be used to measure their relative stabilities.
B) In general,the greater the number of alkyl groups attached to the carbon atoms of the double bond,the greater the stability of the alkene.
C) The greater the quantity of heat liberated on combustion or hydrogenation of an alkene,the greater its energy content.
D) trans-Cycloalkenes are always more stable than the cis-isomers.
E) Heats of combustion can be used to measure the relative stabilities of isomeric alkenes,even though their hydrogenation products are not identical.

Correct Answer

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What is the major product for the following reaction? What is the major product for the following reaction? A) B) C) D) E)


A)
What is the major product for the following reaction? A) B) C) D) E)
B)
What is the major product for the following reaction? A) B) C) D) E)
C)
What is the major product for the following reaction? A) B) C) D) E)
D)
What is the major product for the following reaction? A) B) C) D) E)
E)
What is the major product for the following reaction? A) B) C) D) E)

Correct Answer

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