Question 1

Draw all the enantiomeric forms of ethers with the formula C5H12O.

Accepted Answer

Question 2

What is a correct IUPAC name for the following compound?

Accepted Answer

A)  1,2-butanediol 
B)  isopropanol 
C)  1-propanol 
D)  1,2-propanediol 
E)  Ethylene glycol 
A)  1,2-butanediol 
B)  isopropanol 
C)  1-propanol 
D)  1,2-propanediol 
E)  Ethylene glycol

Question 3

Which is the best method to prepare ethoxycyclopentane via the Williamson method?

Accepted Answer

The answer of Which is the best method to prepare...

Question 4

What is the correct IUPAC name for the following compound?

Accepted Answer

A)  4-isopropyl-3,4-dimethyl-2-butanol 
B)  2,3,4-trimethyl-4-pentanol 
C)  1,1,2,3-tetramethyl-4-pentanol 
D)  3,4,5-trimethyl-2-hexanol 
E)  3,4,5,5-tetramethyl-2-pentanol 
A)  4-isopropyl-3,4-dimethyl-2-butanol 
B)  2,3,4-trimethyl-4-pentanol 
C)  1,1,2,3-tetramethyl-4-pentanol 
D)  3,4,5-trimethyl-2-hexanol 
E)  3,4,5,5-tetramethyl-2-pentanol

Question 5

Assuming an overall exothermic process,select the potential energy diagram that best represents the following reaction:

Accepted Answer

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

Question 6

Which of the reagents listed below would serve as the basis for a simple chemical test to distinguish between

Accepted Answer

A)  AgNO3 in C2H5OH 
B)  Dilute HCl 
C)  Br2 in CCl4 
D)  NaOH in H2O 
E)  KMnO4 in H2O 
A)  AgNO3 in C2H5OH 
B)  Dilute HCl 
C)  Br2 in CCl4 
D)  NaOH in H2O 
E)  KMnO4 in H2O

Question 7

The conversion of   is best achieved through use of which of these reagents in a low temperature reaction?

Accepted Answer

A)  Concd.HBr 
B)  Br2 
C)  NaBr,H2SO4 
D)  PBr3 
E)  HBr,peroxide 
A)  Concd.HBr 
B)  Br2 
C)  NaBr,H2SO4 
D)  PBr3 
E)  HBr,peroxide

Question 8

What is the relationship between alcohols I and II?   They are:

Accepted Answer

A)  different conformations of the same compound. 
B)  constitutional isomers. 
C)  enantiomers. 
D)  diastereomers. 
E)  identical. 
A)  different conformations of the same compound. 
B)  constitutional isomers. 
C)  enantiomers. 
D)  diastereomers. 
E)  identical.

Question 9

Propose a structure for the compound with the following formula that is consistent with the IR and 1H NMR data shown:
C6H14O
IR - 1120cm−1,strong,broad
3H triplet at 1.1  $\delta$
9H singlet at 1.15  $\delta$
2H quartet at 3.45  $\delta$

Accepted Answer

The answer of Propose a structure for the compound with...

Question 10

Provide a reasonable synthetic strategy for the synthesis of a racemic mixture of (1R,2R)and (1S,2S)-2-bromo-1-methylcyclopentanol from methylcyclopentane:

Accepted Answer

The answer of Provide a reasonable synthetic strategy for the...

Question 11

When 3-methyl-2-pentene is treated with mercuric acetate,Hg(O2CCH3)2,in a THF-t-butyl alcohol mixture and the resulting product reacted with NaBH4 in basic solution,the principal product formed is which of these?

Accepted Answer

A)  3-methyl-3-pentanol 
B)  3-t-butoxy-3-methylpentane 
C)  3-methyl-2-pentanol 
D)  2- t-butoxy -3-methylpentane 
E)  1- t-butoxy -3-methylpentane 
A)  3-methyl-3-pentanol 
B)  3-t-butoxy-3-methylpentane 
C)  3-methyl-2-pentanol 
D)  2- t-butoxy -3-methylpentane 
E)  1- t-butoxy -3-methylpentane

Question 12

Propose a mechanism for the following transformation:

Accepted Answer

The answer of Propose a mechanism for the following transformation:...

Question 13

If cis-2-butene is treated with meta-chloroperbenzoic acid what is the final product?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  None of the above 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  None of the above

Question 14

What is the nucleophilic species involved in the initial step of the reaction below?

Accepted Answer

A)  "-OH" 
B)  "Hg(OAc)2" 
C)  "H2O" 
D)  "cyclopentene" 
E)  "the THF/H2O complex" 
A)  "-OH" 
B)  "Hg(OAc)2" 
C)  "H2O" 
D)  "cyclopentene" 
E)  "the THF/H2O complex"

Question 15

Finish the following acid-base reaction and predict if it will proceed in the forward direction:

Accepted Answer

The answer of Finish the following acid-base reaction and predict...

Question 16

Select the structure of the major product formed from the following reaction.

Accepted Answer

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

Question 17

Select the structure of the major product formed from the following reaction.

Accepted Answer

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

Question 18

Propose a mechanism for the following transformation:

Accepted Answer

The answer of Propose a mechanism for the following transformation:...

Question 19

The correct IUPAC name for tert-butyl alcohol is:

Accepted Answer

A)  1-Butanol 
B)  2-Methyl-1-propanol 
C)  2-Methyl-2-propanol 
D)  2-Butanol 
E)  1,1-Dimethyl-1-ethanol 
A)  1-Butanol 
B)  2-Methyl-1-propanol 
C)  2-Methyl-2-propanol 
D)  2-Butanol 
E)  1,1-Dimethyl-1-ethanol

Question 20

A reaction which leads to a product of particular stereoisomeric outcome,depending on the stereochemistry of the reactant,is termed_________________.

Accepted Answer

The answer of A reaction which leads to a product...

Exam 11: Alcohols and Ethers

Draw all the enantiomeric forms of ethers with the formula C5H12O.

What is a correct IUPAC name for the following compound?

Which is the best method to prepare ethoxycyclopentane via the Williamson method?

What is the correct IUPAC name for the following compound?

Assuming an overall exothermic process,select the potential energy diagram that best represents the following reaction:

Which of the reagents listed below would serve as the basis for a simple chemical test to distinguish between

The conversion of is best achieved through use of which of these reagents in a low temperature reaction?

What is the relationship between alcohols I and II? They are:

Propose a structure for the compound with the following formula that is consistent with the IR and 1H NMR data shown: C6H14O IR - 1120cm−1,strong,broad 3H triplet at 1.1 δ\deltaδ 9H singlet at 1.15 δ\deltaδ 2H quartet at 3.45 δ\deltaδ

Provide a reasonable synthetic strategy for the synthesis of a racemic mixture of (1R,2R)and (1S,2S)-2-bromo-1-methylcyclopentanol from methylcyclopentane:

When 3-methyl-2-pentene is treated with mercuric acetate,Hg(O2CCH3)2,in a THF-t-butyl alcohol mixture and the resulting product reacted with NaBH4 in basic solution,the principal product formed is which of these?

Propose a mechanism for the following transformation:

If cis-2-butene is treated with meta-chloroperbenzoic acid what is the final product?

What is the nucleophilic species involved in the initial step of the reaction below?

Finish the following acid-base reaction and predict if it will proceed in the forward direction:

Select the structure of the major product formed from the following reaction.

Select the structure of the major product formed from the following reaction.

Propose a mechanism for the following transformation:

The correct IUPAC name for tert-butyl alcohol is:

A reaction which leads to a product of particular stereoisomeric outcome,depending on the stereochemistry of the reactant,is termed_________________.

Carbon Compounds and Chemical Bonds

Representative Carbon Compounds: Functional Groups, Intermolecular Forces, and Infrared Ir Spectroscopy

An Introduction to Organic Reactions: Acids and Bases

Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis

Stereochemistry: Chiral Molecules

Ionic Reactions - Nucleophilic Substitution and Elimination Reactions of Alkyl Halides

Alkenes and Alkynes I: Properties and Synthesis, Elimination Reactions of Alkyl Halides

Alkenes and Alkynes Ii: Addition Reactions

Nuclear Magnetic Resonance and Mass Spectrometry: Tools for Structure Determination

Radical Reactions

Alcohols From Carbonyl Compounds Oxidation-Reduction and Organometallic Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones I Nucleophilic Addition to the Carbonyl Group

Aldehydes and Ketones Ii Aldol Reactions

Carboxylic Acids and Their Derivatives Nucleophilic Addition - Elimination at the Acyl Carbon

Synthesis and Reactions of Beta-Dicarbonyl Compounds: More Chemistry of Enolate Ions

Amines

Phenols and Aryl Halides: Nucleophilic Aromatic Substitution

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Draw all the enantiomeric forms of ethers with the formula C₅H₁₂O.

Propose a structure for the compound with the following formula that is consistent with the IR and ¹H NMR data shown: C₆H₁₄O IR - 1120cm⁻¹,strong,broad 3H triplet at 1.1 $\delta$ 9H singlet at 1.15 $\delta$ 2H quartet at 3.45 $\delta$

When 3-methyl-2-pentene is treated with mercuric acetate,Hg(O₂CCH₃)₂,in a THF-t-butyl alcohol mixture and the resulting product reacted with NaBH₄ in basic solution,the principal product formed is which of these?