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Describe a sequence of reactions by which butylbenzene can be prepared from phenylacetylene.

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1) NaNH2
2)...

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Describe a sequence of reactions by which trans-2-pentene can be prepared from propyne.

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1) NaNH2
2)...

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Provide the structure of the major organic produt that results when 2-butyne is treated with 1 equivalent of Br2

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Provide the structure of the major organic product of the following reaction. Provide the structure of the major organic product of the following reaction.

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Give the major organic product for the reaction. Give the major organic product for the reaction. A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B) C) D) E)


A) CH3CH2CH2CH2CH3
B) Give the major organic product for the reaction. A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B) C) D) E)
C) Give the major organic product for the reaction. A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B) C) D) E)
D) Give the major organic product for the reaction. A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B) C) D) E)
E) Give the major organic product for the reaction. A) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> B) C) D) E)

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Among the compounds water, 1-butyne, 2-butyne, and ethane, which are stronger acids than ammonia?


A) 1-butyne and ethane
B) water and 1-butyne
C) water and ethane
D) 1-butyne and 2-butyne

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Provide the structure of the major organic product(s)in the reaction below. Provide the structure of the major organic product(s)in the reaction below.

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Provide the structure of the major organic produt that results when 2-butyne is treated with 2 equivalents of HCl.

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Name the following compound. Name the following compound. A) 3-heptyn-6-ol B) 3-hepten-6-ol C) 4-hepten-2-ol D) 4-heptyn-2-ol E) 4-heptan-2-ol


A) 3-heptyn-6-ol
B) 3-hepten-6-ol
C) 4-hepten-2-ol
D) 4-heptyn-2-ol
E) 4-heptan-2-ol

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Give the systematic name of the compound shown below. Give the systematic name of the compound shown below.

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1,7-dimeth...

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A mixture of 1-heptyne, 2-heptyne, and 3-heptyne was hydrogenated in the presence of a platinum catalyst until hydrogen uptake ceased. If one assumes that the hydrogenation went to completion, how many distinct seven-carbon hydrocarbons were produced?


A) 1
B) 2
C) 3
D) 6
E) 8

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Provide the structure of the major organic produt that results when 2-butyne is treated with 1 equivalent of HCl.

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Complete the following tree of reactions by giving the major products. Complete the following tree of reactions by giving the major products.

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Provide the major organic product in the reaction below. Provide the major organic product in the reaction below.

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Provide the structure of the major organic produt that results when 2-butyne is treated with HgSO4/H2SO4 in water

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Draw an acceptable structure for 3-sec-butyl-1-heptyne.

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Provide the structure of the major organic product(s)in the reaction below. Provide the structure of the major organic product(s)in the reaction below.

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Which of the following statements is not true about propyne, HC Which of the following statements is not true about propyne, HC C-CH<sub>3</sub>? A) It contains six sigma bonds. B) It contains three pi bonds. C) The H-C-H bond angle is about 109.5°. D) The C-C-C bond angle is 180°. E) The pi bond is weaker than the sigma bond. C-CH3?


A) It contains six sigma bonds.
B) It contains three pi bonds.
C) The H-C-H bond angle is about 109.5°.
D) The C-C-C bond angle is 180°.
E) The pi bond is weaker than the sigma bond.

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Draw an acceptable structure for acetylene.

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