Filters
Question type
Study Flashcards

Which of the following alkenes undergoes the least exothermic hydrogenation upon treatment with H2/Pd? Which of the following alkenes undergoes the least exothermic hydrogenation upon treatment with H<sub>2</sub>/Pd? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

E) A) and C)
F) A) and D)

Correct Answer

verifed

verified

What is the major product obtained upon addition of Br2 to (R) -4-tert-butylcyclohexene?


A) (1R,2R,4R) -1,2-dibromo-4-tert-butylcyclohexane
B) (1S,2R,4R) -1,2-dibromo-4-tert-butylcyclohexane
C) (1S,2S,4R) -1,2-dibromo-4-tert-butylcyclohexane
D) (1S,2S,4S) -1,2-dibromo-4-tert-butylcyclohexane

E) All of the above
F) B) and D)

Correct Answer

verifed

verified

What is the best choice of reagent(s) to perform the following transformation? What is the best choice of reagent(s) to perform the following transformation? A) H<sub>2</sub>O, H<sub>2</sub>SO<sub>4</sub> B) Hg(OAc) <sub>2</sub> and H<sub>2</sub>O; followed by NaBH<sub>4</sub> C) BH<sub>3</sub>; followed by H<sub>2</sub>O<sub>2</sub>, NaOH D) OsO<sub>4</sub>; followed by NaHSO<sub>3</sub>


A) H2O, H2SO4
B) Hg(OAc) 2 and H2O; followed by NaBH4
C) BH3; followed by H2O2, NaOH
D) OsO4; followed by NaHSO3

E) A) and C)
F) C) and D)

Correct Answer

verifed

verified

What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

E) A) and B)
F) All of the above

Correct Answer

verifed

verified

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

Correct Answer

verifed

verified

What is the best choice of reagent(s) to perform the following transformation? What is the best choice of reagent(s) to perform the following transformation? A) O<sub>3</sub>; followed by (CH<sub>3</sub>) <sub>2</sub>S B) Hg(OAc) <sub>2</sub> and H<sub>2</sub>O; followed by NaBH<sub>4</sub> C) BH<sub>3</sub>; followed by H<sub>2</sub>O<sub>2</sub>, NaOH D) OsO<sub>4</sub>; followed by NaHSO<sub>3</sub>


A) O3; followed by (CH3) 2S
B) Hg(OAc) 2 and H2O; followed by NaBH4
C) BH3; followed by H2O2, NaOH
D) OsO4; followed by NaHSO3

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Which of the following reactions of alkenes takes place with anti stereospecificity?


A) bishydroxylation (treatment with OsO4 followed by NaHSO3)
B) hydrogenation (treatment with H2/Pt)
C) addition of HBr (treatment with HBr)
D) bromohydrin formation (treatment with Br2, H2O)

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

What is the best choice of reagent(s) to perform the following transformation? What is the best choice of reagent(s) to perform the following transformation? A) H<sub>2</sub>O, H<sub>2</sub>SO<sub>4</sub> B) Hg(OAc) <sub>2</sub> and H<sub>2</sub>O ; followed by NaBH<sub>4</sub> C) B<sub>2</sub>H<sub>6</sub>; followed by H<sub>2</sub>O<sub>2</sub>, NaOH D) OsO<sub>4</sub>; followed by NaHSO<sub>3</sub>


A) H2O, H2SO4
B) Hg(OAc) 2 and H2O ; followed by NaBH4
C) B2H6; followed by H2O2, NaOH
D) OsO4; followed by NaHSO3

E) B) and C)
F) B) and D)

Correct Answer

verifed

verified

What is the correct order of exothermicity for hydrogenation of the following butenes upon treatment with H2/Pd (more exothermic > less exothermic) ? What is the correct order of exothermicity for hydrogenation of the following butenes upon treatment with H<sub>2</sub>/Pd (more exothermic > less exothermic) ? A) 1 > 2 > 3 B) 1 > 3 > 2 C) 3 > 2 > 1 D) 2 > 3 > 1


A) 1 > 2 > 3
B) 1 > 3 > 2
C) 3 > 2 > 1
D) 2 > 3 > 1

E) None of the above
F) All of the above

Correct Answer

verifed

verified

Provide a neatly drawn mechanism for the following reaction, including curved arrows to show the movement of pairs of electrons and the structure of reactive intermediates. Provide a neatly drawn mechanism for the following reaction, including curved arrows to show the movement of pairs of electrons and the structure of reactive intermediates.

Correct Answer

verifed

verified

The reaction proceeds in three...

View Answer

What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

E) B) and C)
F) A) and D)

Correct Answer

verifed

verified

What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

E) B) and D)
F) None of the above

Correct Answer

verifed

verified

The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction. The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction. -Product _____ would have a higher energy transition state for the formation of the intermediate leading to it. -Product _____ would have a higher energy transition state for the formation of the intermediate leading to it.

Correct Answer

verifed

verified

Provide a neatly drawn mechanism for the following reaction, including curved arrows to show the movement of pairs of electrons and the structure of reactive intermediates. Provide a neatly drawn mechanism for the following reaction, including curved arrows to show the movement of pairs of electrons and the structure of reactive intermediates.

Correct Answer

verifed

verified

The reaction proceeds in three...

View Answer

The reagents that could effect the following conversion are: BH3, then H2O2 and NaOH. The reagents that could effect the following conversion are: BH<sub>3</sub>, then H<sub>2</sub>O<sub>2</sub> and NaOH.

A) True
B) False

Correct Answer

verifed

verified

Which of the following reactions of alkenes is stereospecific?


A) addition of HCl (treatment with HCl)
B) hydrogenation (treatment with H2/Pt)
C) addition of HBr (treatment with HBr)
D) acid-catalyzed hydration (treatment with aqueous H2SO4)

E) A) and C)
F) None of the above

Correct Answer

verifed

verified

Identify the given structure given. ​ Identify the given structure given. ​ A) Tetraphenyl phosphate B) BINOL C) BINAP D) Binaphthyl


A) Tetraphenyl phosphate
B) BINOL
C) BINAP
D) Binaphthyl

E) A) and D)
F) B) and C)

Correct Answer

verifed

verified

Which of the following reactions of alkenes is not stereospecific?


A) bromination (treatment with Br2 in CHCl3)
B) hydrogenation (treatment with H2/Pt)
C) acid-catalyzed hydration (treatment with aqueous H2SO4)
D) bromohydrin formation (treatment with Br2/H2O)

E) A) and B)
F) A) and D)

Correct Answer

verifed

verified

_____________is the starting material required to produce 3-methyl-1-butanol using the hydroboration-oxidation reaction. (Enter an IUPAC name.)

Correct Answer

verifed

verified

The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction. The reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Answer the following question(s) about this reaction. -Product _____ would be formed by a carbocation experiencing the greatest degree of hyperconjugation stabilization. -Product _____ would be formed by a carbocation experiencing the greatest degree of hyperconjugation stabilization.

Correct Answer

verifed

verified

Showing 41 - 60 of 97

Related Exams

Exam 1

Covalent Bonding and Shapes of Molecules

118 Questions

Exam 2

Alkanes and Cycloalkanes

101 Questions

Exam 3

Stereoisomerism and Chirality

95 Questions

Exam 4

Acids and Bases

94 Questions

Exam 5

Alkenes: Bonding, Nomenclature, and Properties

88 Questions

Exam 7

Alkynes

100 Questions

Exam 8

Haloalkanes, Halogenation, and Radical Reactions

75 Questions

Exam 9

Nucleophilic Substitution and Beta-Elimination

104 Questions

Exam 10

Alcohols

102 Questions

Exam 11

Ethers, Epoxides, and Sulfides

102 Questions

Exam 12

Infrared Spectroscopy

74 Questions

Exam 13

Nuclear Magnetic Resonance Spectroscopy

99 Questions

Exam 14

Mass Spectrometry

75 Questions

Exam 15

An Introduction to Organometallic Compounds

73 Questions

Exam 16

Aldehydes and Ketones

122 Questions

Exam 17

Carboxylic Acids

76 Questions

Exam 18

Functional Derivatives of Carboxylic Acids

117 Questions

Exam 19

Enolate Anions and Enamines

96 Questions

Exam 20

Dienes, Conjugated Systems, and Pericyclic Reactions

75 Questions

Exam 21

Benzene and the Concept of Aromaticity

77 Questions

Exam 22

Reactions of Benzene and Its Derivatives

109 Questions

Exam 23

Amines

92 Questions

Exam 24

Catalytic Carbon-Carbon Bond Formation

84 Questions

Exam 25

Carbohydrates

69 Questions

Exam 26

Lipids

65 Questions

Exam 27

Amino Acids and Proteins

77 Questions

Exam 28

Nucleic Acids

58 Questions

Exam 29

Organic Polymer Chemistry

68 Questions

Show Answer