Question 1

What would be the product,D,of the following reaction sequence?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 2

What would be the alkane C that is the product of the following reaction sequence?

Accepted Answer

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

Question 3

The final product,E,in the following reaction sequence is,

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 4

Complete the following reaction sequence,giving structural details of all key intermediates.
1-hexene $\to$
i)HBr
ii)Li
iii)(CH3CH2)2C=O
iv)C2H5I

Accepted Answer

The answer of Complete the following reaction sequence,giving structural details...

Question 5

The reaction of lithium di-sec-butylcuprate with isopentyl bromide yields:

Accepted Answer

A) 2,5-Dimethylheptane 
B) 2,6-Dimethylheptane 
C) 3,5-Dimethylheptane 
D) 3,4-Dimethylheptane 
E) 3,6-Dimethylheptane 
A) 2,5-Dimethylheptane 
B) 2,6-Dimethylheptane 
C) 3,5-Dimethylheptane 
D) 3,4-Dimethylheptane 
E) 3,6-Dimethylheptane

Question 6

What is the principal product(s)formed when 1 mol of methylmagnesium iodide reacts with 1 mol of p-hydroxyacetophenone?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 7

Which of the following is the strongest base?

Accepted Answer

A) RMgX 
B) Mg(OH)X 
C) RH 
D) H2O 
E) NaOH 
A) RMgX 
B) Mg(OH)X 
C) RH 
D) H2O 
E) NaOH

Question 8

The following transformation would be considered a(n)?

Accepted Answer

A) reduction 
B) oxidation 
C) addition 
D) elimination 
E) rearrangement 
A) reduction 
B) oxidation 
C) addition 
D) elimination 
E) rearrangement

Question 9

List the following compounds in order of increasing level of oxidation:

Accepted Answer

A) I,II,III 
B) III,II,I 
C) II,I,III 
D) III,I,II 
E) I,III,II 
A) I,II,III 
B) III,II,I 
C) II,I,III 
D) III,I,II 
E) I,III,II

Question 10

Which of the reagents listed below would efficiently accomplish the transformation of CH3CH2CH=CHCH2CH2CH2OH into CH3CH2CH=CHCH2CH2CHO?

Accepted Answer

A) KMnO4,OH- 
B) CrO3 / H2SO4 
C) (i)(COCl)2,DMSO,-60 oC,(ii)Et3N 
D) Br2,CCl4 
E) Two of these choices. 
A) KMnO4,OH- 
B) CrO3 / H2SO4 
C) (i)(COCl)2,DMSO,-60 oC,(ii)Et3N 
D) Br2,CCl4 
E) Two of these choices.

Question 11

The following transformation would be considered a(n)?

Accepted Answer

A) Reduction 
B) Oxidation 
C) Addition 
D) Elimination 
E) Rearrangement 
A) Reduction 
B) Oxidation 
C) Addition 
D) Elimination 
E) Rearrangement

Question 12

What is the principal product(s)formed when 1 mol of methylmagnesium iodide reacts with 1 mol of p-acetylbenzoic acid?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 13

Which reaction leads to an optically active product?

Accepted Answer

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

Question 14

Reaction of excess ethyl magnesium bromide with ethyl benzoate (C6H5CO2C2H5)produces,after acid work-up,___.

Accepted Answer

3-phenyl-3

Question 15

What is the product,A,that would be obtained from the following reaction sequence?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 16

The following transformation would be considered a(n)?

Accepted Answer

A) reduction 
B) oxidation 
C) addition 
D) elimination 
E) rearrangement 
A) reduction 
B) oxidation 
C) addition 
D) elimination 
E) rearrangement

Question 17

Key to the usefulness of Swern oxidation as a selective oxidant for the production of aldehydes from primary alcohols is ___.

Accepted Answer

the inability to for

Question 18

NH4Cl is sometimes preferred instead of HCl or H2SO4 for "acid" work-up after Grignard reactions,particularly when the expected and desired product is a tertiary alcohol: why?

Accepted Answer

NH₄Cl provides mildly acidic co

Question 19

Which of the reagents listed below would efficiently accomplish the transformation of CH3CH2CH=CHCH2CH2CHO into CH3CH2CH=CHCH2CH2CH2OH?

Accepted Answer

A) KMnO4 
B) NaBH4 
C) Br2 in CCl4 
D) H2,Ni 
E) Two of these choices. 
A) KMnO4 
B) NaBH4 
C) Br2 in CCl4 
D) H2,Ni 
E) Two of these choices.

Question 20

Primary and secondary alcohols can be distinguished from most other compounds (with the exception of aldehydes)because they will react rapidly with a solution of CrO3 in aqueous sulfuric acid,causing a color change from ___ to ___.

Accepted Answer

Exam 12: Alcohols From Carbonyl Compounds

What would be the product,D,of the following reaction sequence?

What would be the alkane C that is the product of the following reaction sequence?

The final product,E,in the following reaction sequence is,

Complete the following reaction sequence,giving structural details of all key intermediates. 1-hexene →\to→ i)HBr ii)Li iii)(CH3CH2)2C=O iv)C2H5I

The reaction of lithium di-sec-butylcuprate with isopentyl bromide yields:

What is the principal product(s)formed when 1 mol of methylmagnesium iodide reacts with 1 mol of p-hydroxyacetophenone?

Which of the following is the strongest base?

The following transformation would be considered a(n)?

List the following compounds in order of increasing level of oxidation:

Which of the reagents listed below would efficiently accomplish the transformation of CH3CH2CH=CHCH2CH2CH2OH into CH3CH2CH=CHCH2CH2CHO?

The following transformation would be considered a(n)?

What is the principal product(s)formed when 1 mol of methylmagnesium iodide reacts with 1 mol of p-acetylbenzoic acid?

Which reaction leads to an optically active product?

Reaction of excess ethyl magnesium bromide with ethyl benzoate (C6H5CO2C2H5)produces,after acid work-up,___.

What is the product,A,that would be obtained from the following reaction sequence?

The following transformation would be considered a(n)?

Key to the usefulness of Swern oxidation as a selective oxidant for the production of aldehydes from primary alcohols is ___.

NH4Cl is sometimes preferred instead of HCl or H2SO4 for "acid" work-up after Grignard reactions,particularly when the expected and desired product is a tertiary alcohol: why?

Which of the reagents listed below would efficiently accomplish the transformation of CH3CH2CH=CHCH2CH2CHO into CH3CH2CH=CHCH2CH2CH2OH?

Primary and secondary alcohols can be distinguished from most other compounds (with the exception of aldehydes)because they will react rapidly with a solution of CrO3 in aqueous sulfuric acid,causing a color change from ___ to ___.

The Basics

Families of Carbon

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Amines

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Complete the following reaction sequence,giving structural details of all key intermediates. 1-hexene $\to$ i)HBr ii)Li iii)(CH₃CH₂)₂C=O iv)C₂H₅I

Which of the reagents listed below would efficiently accomplish the transformation of CH₃CH₂CH=CHCH₂CH₂CH₂OH into CH₃CH₂CH=CHCH₂CH₂CHO?

Reaction of excess ethyl magnesium bromide with ethyl benzoate (C₆H₅CO₂C₂H₅)produces,after acid work-up,___.

NH₄Cl is sometimes preferred instead of HCl or H₂SO₄ for "acid" work-up after Grignard reactions,particularly when the expected and desired product is a tertiary alcohol: why?

Which of the reagents listed below would efficiently accomplish the transformation of CH₃CH₂CH=CHCH₂CH₂CHO into CH₃CH₂CH=CHCH₂CH₂CH₂OH?

Primary and secondary alcohols can be distinguished from most other compounds (with the exception of aldehydes)because they will react rapidly with a solution of CrO₃ in aqueous sulfuric acid,causing a color change from _ to _.