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What are the hybridizations of the carbon atoms numbered 1 and 2 in the structure below? 1 2 H3C-CH What are the hybridizations of the carbon atoms numbered 1 and 2 in the structure below? 1 2 H<sub>3</sub>C-CH CH-C C-H A) sp<sup>3</sup>, sp<sup>2</sup> B) sp<sup>2</sup>, sp<sup>2</sup> C) sp<sup>2</sup>, sp D) sp, sp CH-C What are the hybridizations of the carbon atoms numbered 1 and 2 in the structure below? 1 2 H<sub>3</sub>C-CH CH-C C-H A) sp<sup>3</sup>, sp<sup>2</sup> B) sp<sup>2</sup>, sp<sup>2</sup> C) sp<sup>2</sup>, sp D) sp, sp C-H


A) sp3, sp2
B) sp2, sp2
C) sp2, sp
D) sp, sp

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Suggest a plausible scheme for the following synthesis Suggest a plausible scheme for the following synthesis

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What are the hybridizations of the carbon atoms numbered 1 and 2 respectively in the following structure? What are the hybridizations of the carbon atoms numbered 1 and 2 respectively in the following structure? A) sp<sup>3</sup>, sp<sup>2</sup> B) sp<sup>2</sup>, sp<sup>2</sup> C) sp, sp D) sp<sup>2</sup>, sp E) sp, sp<sup>2</sup>


A) sp3, sp2
B) sp2, sp2
C) sp, sp
D) sp2, sp
E) sp, sp2

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Provide the structure of the major organic produt that results when 2-butyne is treated with H2 in the presence of Lindlar's Catalyst.

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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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Which of the following statements correctly describes the general reactivity of alkynes?


A) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile.
B) The σ bonds of alkynes are higher in energy than the π bonds and are thus more reactive.
C) Unlike alkenes, alkynes fail to undergo electrophilic addition reactions.
D) Alkynes are generally more reactive than alkenes.
E) Alkynes react as electrophiles, whereas alkenes reacts as nucleophiles.

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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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Which of the alkyne addition reactions below involves an enol intermediate?


A) hydroboration/oxidation
B) treatment with HgSO4 in dilute H2SO4
C) hydrogenation
D) both A and B
E) both A and C

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Which is the correct order of decreasing acidity in the following compounds? H2O CH3CH3 NH3 CH2 Which is the correct order of decreasing acidity in the following compounds? H<sub>2</sub>O CH<sub>3</sub>CH<sub>3</sub> NH<sub>3</sub> CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> HC CH A B C D E A) A > E > C > D > B B) A > E > D > B > C C) E > A > C > B > D D) A > C > E > D > B E) E > D > B > A > C CH2 HC Which is the correct order of decreasing acidity in the following compounds? H<sub>2</sub>O CH<sub>3</sub>CH<sub>3</sub> NH<sub>3</sub> CH<sub>2</sub> <sub> </sub> CH<sub>2</sub> HC CH A B C D E A) A > E > C > D > B B) A > E > D > B > C C) E > A > C > B > D D) A > C > E > D > B E) E > D > B > A > C CH A B C D E


A) A > E > C > D > B
B) A > E > D > B > C
C) E > A > C > B > D
D) A > C > E > D > B
E) E > D > B > A > C

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Give the reagents for the following reaction. Give the reagents for the following reaction.

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1. NaNH2, 2. CH3CH2Br, ...

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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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What is the common name for the following alkyne? What is the common name for the following alkyne? A) neohexyne B) trimethylpropyne C) trimethylacetylene D) tert-butylacetylene E) isopropylacetylene


A) neohexyne
B) trimethylpropyne
C) trimethylacetylene
D) tert-butylacetylene
E) isopropylacetylene

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What is the major product of the following reaction? HCl CH3C What is the major product of the following reaction? HCl CH<sub>3</sub>C CH A) B) C) CH<sub>3</sub>CH CH-Cl D) E) CH What is the major product of the following reaction? HCl CH<sub>3</sub>C CH A) B) C) CH<sub>3</sub>CH CH-Cl D) E)


A) What is the major product of the following reaction? HCl CH<sub>3</sub>C CH A) B) C) CH<sub>3</sub>CH CH-Cl D) E)
B) What is the major product of the following reaction? HCl CH<sub>3</sub>C CH A) B) C) CH<sub>3</sub>CH CH-Cl D) E)
C) CH3CH What is the major product of the following reaction? HCl CH<sub>3</sub>C CH A) B) C) CH<sub>3</sub>CH CH-Cl D) E) CH-Cl
D) What is the major product of the following reaction? HCl CH<sub>3</sub>C CH A) B) C) CH<sub>3</sub>CH CH-Cl D) E)
E) What is the major product of the following reaction? HCl CH<sub>3</sub>C CH A) B) C) CH<sub>3</sub>CH CH-Cl D) E)

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Provide the systematic name of the compound shown. Provide the systematic name of the compound shown.

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(E)-5-meth...

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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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(S)-5-meth...

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Describe a sequence of reactions by which meso-2,3-dibromobutane can be prepared from propyne.

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1) NaNH2
2)...

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Which of the following compounds is the major product when 1-hexyne is treated with excess HBr?


A) 1,1-dibromohexane
B) 1,1-dibromohexene
C) 1,2-dibromohexene
D) 1,2-dibromohexane
E) 2,2-dibromohexane

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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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What is the IUPAC name for the following compound? What is the IUPAC name for the following compound? A) cis, trans-2, 4-heptadiene B) 2Z,4Z-2, 4-heptadiene C) cis, cis-2, 4-heptadiene D) trans, trans-2, 4-heptadiene E) 2E,4E-2, 4-heptadiene


A) cis, trans-2, 4-heptadiene
B) 2Z,4Z-2, 4-heptadiene
C) cis, cis-2, 4-heptadiene
D) trans, trans-2, 4-heptadiene
E) 2E,4E-2, 4-heptadiene

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Which of the following is the best synthesis of 2, 2-dibromopropane Which of the following is the best synthesis of 2, 2-dibromopropane A) B) C) CH<sub>3</sub>C CH D) E)


A) Which of the following is the best synthesis of 2, 2-dibromopropane A) B) C) CH<sub>3</sub>C CH D) E)
B) Which of the following is the best synthesis of 2, 2-dibromopropane A) B) C) CH<sub>3</sub>C CH D) E)
C) CH3C Which of the following is the best synthesis of 2, 2-dibromopropane A) B) C) CH<sub>3</sub>C CH D) E) CH Which of the following is the best synthesis of 2, 2-dibromopropane A) B) C) CH<sub>3</sub>C CH D) E)
D) Which of the following is the best synthesis of 2, 2-dibromopropane A) B) C) CH<sub>3</sub>C CH D) E)
E) Which of the following is the best synthesis of 2, 2-dibromopropane A) B) C) CH<sub>3</sub>C CH D) E)

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