Filters
Question type
Study Flashcards

What type of reaction mechanism accounts for the reaction of an alkene with HBr to give an alkyl bromide?


A) nucleophilic addition
B) electrophilic addition
C) radical addition
D) elimination

Correct Answer

verifed

verified

What type of reactive intermediate is formed in the reaction of an alkene with Br2 and water to give a bromohydrin?


A) carbocation
B) carbanion
C) radical
D) cyclic bromonium ion

Correct Answer

verifed

verified

What is the best choice of reagent to perform the following transformation? What is the best choice of reagent to perform the following transformation? A) Br<sub>2</sub> B) HBr C) Br<sub>2</sub>, H<sub>2</sub>O D) N-bromosuccinimide


A) Br2
B) HBr
C) Br2, H2O
D) N-bromosuccinimide

Correct Answer

verifed

verified

What type of reactive intermediate is formed in the reaction of an alkene with aqueous acid to give an alcohol?


A) carbocation
B) carbanion
C) radical
D) carbene

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

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 (are) the major organic product(s) obtained from the following reaction? What is (are) the major organic product(s) obtained from the following reaction? A) only 1 B) only 2 C) only 3 D) only 1 and 2 What is (are) the major organic product(s) obtained from the following reaction? A) only 1 B) only 2 C) only 3 D) only 1 and 2


A) only 1
B) only 2
C) only 3
D) only 1 and 2

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) HgSO<sub>4</sub>; followed by NaBH<sub>4</sub> C) BH<sub>3</sub>; followed by H<sub>2</sub>O<sub>2</sub> D) OsO<sub>4</sub>; followed by NaHSO<sub>3</sub>


A) H2O, H2SO4
B) HgSO4; followed by NaBH4
C) BH3; followed by H2O2
D) OsO4; followed by NaHSO3

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)

Correct Answer

verifed

verified

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

Correct Answer

verifed

verified

blured image The reaction proceeds in thre...

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

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)

Correct Answer

verifed

verified

What type of carbocation is shown? What type of carbocation is shown? A) primary B) secondary C) tertiary D) quaternary


A) primary
B) secondary
C) tertiary
D) quaternary

Correct Answer

verifed

verified

What is the correct order of stability of the following carbocations (more stable > less stable) ? What is the correct order of stability of the following carbocations (more stable > less stable) ? A) 1 > 2 > 3 B) 2 > 1 > 3 C) 2 > 3 > 1 D) 3 > 2 > 1


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

Correct Answer

verifed

verified

Provide the structure of the key intermediate in the following reaction? Provide the structure of the key intermediate in the following reaction?

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

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?

Correct Answer

verifed

verified

(i) OsO4; (...

View Answer

What is (are) the major organic product(s) obtained from the following reaction? What is (are) the major organic product(s) obtained from the following reaction? A) only 1 B) only 2 C) only 3 D) only 1 and 2 What is (are) the major organic product(s) obtained from the following reaction? A) only 1 B) only 2 C) only 3 D) only 1 and 2


A) only 1
B) only 2
C) only 3
D) only 1 and 2

Correct Answer

verifed

verified

Showing 61 - 79 of 79

Related Exams

Exam 1

Covalent Bonding and Shapes of Molecules

95 Questions

Exam 2

Alkanes and Cycloalkanes

77 Questions

Exam 3

Stereoisomerism and Chirality

75 Questions

Exam 4

Acids and Bases

75 Questions

Exam 5

Alkenes: Bonding, Nomenclature, and Properties

70 Questions

Exam 7

Alkynes

80 Questions

Exam 8

Haloalkanes, Halogenation, and Radical Reactions

58 Questions

Exam 9

Nucleophilic Substitution and Beta-Elimination

89 Questions

Exam 10

Alcohols

78 Questions

Exam 11

Ethers, Epoxides, and Sulfides

71 Questions

Exam 12

Infrared Spectroscopy

44 Questions

Exam 13

Nuclear Magnetic Resonance Spectroscopy

73 Questions

Exam 14

Mass Spectrometry

39 Questions

Exam 15

An Introduction to Organometallic Compounds

45 Questions

Exam 16

Aldehydes and Ketones

94 Questions

Exam 17

Carboxylic Acids

51 Questions

Exam 18

Functional Derivatives of Carboxylic Acids

88 Questions

Exam 19

Enolate Anions and Enamines

70 Questions

Exam 20

Dienes, Conjugated Systems, and Pericyclic Reactions

44 Questions

Exam 21

Benzene and the Concept of Aromaticity

59 Questions

Exam 22

Reactions of Benzene and Its Derivatives

83 Questions

Show Answer