Question 1

What is the best choice of reagent(s)  to perform the following transformation? 2/Pt B)  H2/Lindlar catalyst C)  Na/NH3 D)  BH3; followed by H2O2, NaOH" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   H2/Pt
B)   H2/Lindlar catalyst
C)   Na/NH3
D)   BH3; followed by H2O2, NaOHE) None of the above
F) A) and B)

Question 2

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 3

Which sequence of reactions can be used to convert 1-pentene to 1-pentyne

Accepted Answer

A)   Treatment with HBr; followed by treatment with NaOH
B)   Treatment with Br2; followed by treatment with NaNH2
C)   Treatment with Br2; followed by treatment with H2SO4
D)   Treatment with Br2, H2O; followed by treatment with NaOHE) A) and B)
F) C) and D)

Question 4

What is the major organic product obtained from the following reaction?  CH3CHBrCHBrCH3\mathrm{CH}_{3} \mathrm{CHBrCHBrCH}_{3}CH3​CHBrCHBrCH3​⟶NaNH2DMSO\underset{\mathrm{DMSO}}{\stackrel{\mathrm{NaNH}_{2}}{\longrightarrow}}DMSO⟶NaNH2​​​

Accepted Answer

A)   (
E)   2-butene
B)   (Z)  2-butene
C)   2-butyne
D)   1-butyne E) B) and D)
F) None of the above

Question 5

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and D)
F) All of the above

Question 6

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   (
E)   3,4-dibromohexene
B)   (Z)  3,4-dibromohexene
C)   (
E)   2,3-dibromohexene
D)   (Z)  2,3-dibromobuteneE) B) and D)
F) B) and C)

Question 7

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   butane
B)   1-butene
C)   cis-2-butene
D)   trans-2-buteneE) C) and D)
F) All of the above

Question 8

Outline how one might achieve the following transformation, showing reagents and the isolated intermediates in the synthetic scheme.

Accepted Answer

The answer of Outline how one might achieve the following...

Question 9

Write a brief note about the following reaction.
​

Accepted Answer

The given reaction is an example of an a...

Question 10

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 11

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   2-hexanone
B)   hexanal
C)   2-hexanol
D)   cis-2-hexeneE) A) and C)
F) None of the above

Question 12

The name of the product of the reaction of the following substance with bromoethane would be ________________.

Accepted Answer

The answer of The name of the product of the...

Question 13

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 14

What is IUPAC name of the following compound?

Accepted Answer

The answer of What is IUPAC name of the following...

Question 15

What is the major organic product obtained from the following series of reactions?

Accepted Answer

A)   (Z) -2-heptene
B)   (Z) -1,5-heptene
C)   1-heptene
D)   heptaneE) B) and D)
F) B) and C)

Question 16

Which of the following is the strongest acid?

Accepted Answer

A)   propane
B)   cyclopropane
C)   propene
D)   propyneE) None of the above
F) C) and D)

Question 17

What is the best choice of reagent(s)  to perform the following transformation? 2 B)  2 mol of Br2 C)  1 mol of HBr D)  2 mol of HBr" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   1 mol of Br2
B)   2 mol of Br2
C)   1 mol of HBr
D)   2 mol of HBrE) A) and D)
F) None of the above

Question 18

The name of the final product after adding 1 mole of each reactant in the following sequence is ______________________. $\mathrm{CH}_{3} \mathrm{C} \equiv \mathrm{CH} \stackrel{\mathrm{HCl}}{\longrightarrow} \stackrel{\mathrm{HBr}}{\longrightarrow} ?$

Accepted Answer

2-bromo-2-...

Question 19

The following deuteration reaction correctly shows the stereochemistry of the product.

Accepted Answer

A) True 
 B)False

Question 20

What is the best choice of reagent(s)  to perform the following transformation? 2/Lindlar catalyst B)  Na/NH3 C)  (sia) 2BH; followed by H2O2, NaOH D)  BH3; followed by H2O2, NaOH" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   H2/Lindlar catalyst
B)   Na/NH3
C)   (sia) 2BH; followed by H2O2, NaOH
D)   BH3; followed by H2O2, NaOHE) B) and C)
F) A) and D)

Exam 7: Alkynes

What is the major organic product obtained from the following reaction?

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Which of the following is the strongest acid?

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The name of the product of the reaction of the following substance with bromoethane would be ________________.

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Correct Answerverified2-bromo-2-...View AnswerShow Answer

What is the major organic product obtained from the following series of reactions?

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What is the major organic product obtained from the following reaction?

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Which sequence of reactions can be used to convert 1-pentene to 1-pentyne

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What is the major organic product obtained from the following reaction? CH3CHBrCHBrCH3\mathrm{CH}_{3} \mathrm{CHBrCHBrCH}_{3}CH3​CHBrCHBrCH3​⟶NaNH2DMSO\underset{\mathrm{DMSO}}{\stackrel{\mathrm{NaNH}_{2}}{\longrightarrow}}DMSO⟶NaNH2​​​

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What is the major organic product obtained from the following reaction?

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What is the best choice of reagent(s) to perform the following transformation?

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Outline how one might achieve the following transformation, showing reagents and the isolated intermediates in the synthetic scheme.

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What is the major organic product obtained from the following reaction?

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What is the best choice of reagent(s) to perform the following transformation?

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What is the major organic product obtained from the following reaction?

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What is the major organic product obtained from the following reaction?

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What is the major organic product obtained from the following reaction?

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What is IUPAC name of the following compound?

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Write a brief note about the following reaction. ​

Correct AnswerverifiedThe given reaction is an example of an a...View AnswerShow Answer

The following deuteration reaction correctly shows the stereochemistry of the product.

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What is the best choice of reagent(s) to perform the following transformation?

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2-bromo-2-...
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What is the major organic product obtained from the following reaction? $\mathrm{CH}_{3} \mathrm{CHBrCHBrCH}_{3}$ $\underset{\mathrm{DMSO}}{\stackrel{\mathrm{NaNH}_{2}}{\longrightarrow}}$

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Write a brief note about the following reaction.

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The given reaction is an example of an a...
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