Question 1

What are the products of the following reaction? CH3OH + CH3C   C-Na+ → ?

Accepted Answer

A) CH3C   CCH3 + NaOH 
B) CH3C   COCH3 + NaOH 
C) CH3C   CH + CH3O-Na+ 
D) CH3OC   CH + NaCH3 
E) no reaction 
A) CH3C   CCH3 + NaOH 
B) CH3C   COCH3 + NaOH 
C) CH3C   CH + CH3O-Na+ 
D) CH3OC   CH + NaCH3 
E) no reaction

Question 2

What is the IUPAC name for the following alkyne?

Accepted Answer

A) 5-Bromo-2-heptyne 
B) 3-Bromo-5-heptyne 
C) 2-Bromo-2-methyl-4-hexyne 
D) 5-Bromo-5,5-dimethylhexyne 
E) 5-Bromo-5-methyl-2-hexyne 
A) 5-Bromo-2-heptyne 
B) 3-Bromo-5-heptyne 
C) 2-Bromo-2-methyl-4-hexyne 
D) 5-Bromo-5,5-dimethylhexyne 
E) 5-Bromo-5-methyl-2-hexyne

Question 3

Give the major organic product for the reaction.

Accepted Answer

A)    
B)    
C)    
D) CH3CH2CH2CH   CHOH 
E)    
A)    
B)    
C)    
D) CH3CH2CH2CH   CHOH 
E)

Question 4

The reagent needed to convert 2-butyne to cis-2-butene is ________.

Accepted Answer

A) H2/Pt 
B) H2/Lindlar's catalyst 
C) Li/NH3 
D) Na/NH3 
E) H+/Zinc dust 
A) H2/Pt 
B) H2/Lindlar's catalyst 
C) Li/NH3 
D) Na/NH3 
E) H+/Zinc dust

Question 5

Give the major organic product for the reaction.

Accepted Answer

A) CH3CH2CH2CH2CH3 
B)    
C)    
D)    
E)    
A) CH3CH2CH2CH2CH3 
B)    
C)    
D)    
E)

Question 6

For the reaction below indicate whether the equilibrium constant will be greater than 1 or less than 1.
KOH + CH3C   CH ⇌ H2O + CH3C   CK

Accepted Answer

Question 7

For the reaction below indicate whether the equilibrium constant will be greater than 1 or less than 1.
CH3Li + CH3C   CH ⇌ CH4 + CH3C   CLi

Accepted Answer

Question 8

Provide the major organic product in the reaction below.

Accepted Answer

The answer of Provide the major organic product in the...

Question 9

Provide the structure of the major organic product(s)in the reaction below.
CH3CH2
    CH   2. PhCH2Br

Accepted Answer

CH₃CH₂C @#IMG-DLM&_TB1

Question 10

Provide the major organic product of the following reaction sequence.

Accepted Answer

The answer of Provide the major organic product of the...

Question 11

Complete the following reaction.
3-hexyne

Accepted Answer

The answer of Complete the following reaction.
3-hexyne  ...

Question 12

Describe a sequence of reactions by which the aldehyde CH3CH2CH2CH2CHO could be prepared from acetylene.

Accepted Answer

1) NaNH₂ 2)

Question 13

Draw an acceptable structure for 2-hexyne.

Accepted Answer

The answer of Draw an acceptable structure for 2-hexyne....

Question 14

Provide the structure of the major organic product of the following reaction.

Accepted Answer

The answer of Provide the structure of the major organic...

Question 15

Provide the systematic name of the compound shown.

Accepted Answer

5,6,6-trim

Question 16

Which hydrogens are more acidic, those of benzene or those of cyclohexane? Why?

Accepted Answer

Benzene. The carbon hybridizat

Question 17

Give the major organic product for the reaction.

Accepted Answer

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

Question 18

How many distinct internal alkynes exist with a molecular formula of C6H10?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 19

Provide the sequence of reagents that are needed to accomplish the multistep synthesis below.

Accepted Answer

1. NaNH₂ 2.

Question 20

________ is produced when 1 equivalent of HBr is added to 1-hexyne in the presence of peroxides.

Accepted Answer

A) 2-bromo-1-hexene 
B) E-1-bromo-1-hexene 
C) Z-1-bromo-1-hexene 
D) a mixture of E and Z isomers of 1-bromo-1-hexene 
E) E-2-bromo-2-hexene 
A) 2-bromo-1-hexene 
B) E-1-bromo-1-hexene 
C) Z-1-bromo-1-hexene 
D) a mixture of E and Z isomers of 1-bromo-1-hexene 
E) E-2-bromo-2-hexene

Exam 7: Reactions of Alkynes Introduction to Multistep Synthesis

What are the products of the following reaction? CH3OH + CH3C C-Na+ → ?

What is the IUPAC name for the following alkyne?

Give the major organic product for the reaction.

The reagent needed to convert 2-butyne to cis-2-butene is ________.

Give the major organic product for the reaction.

For the reaction below indicate whether the equilibrium constant will be greater than 1 or less than 1. KOH + CH3C CH ⇌ H2O + CH3C CK

For the reaction below indicate whether the equilibrium constant will be greater than 1 or less than 1. CH3Li + CH3C CH ⇌ CH4 + CH3C CLi

Provide the major organic product in the reaction below.

Provide the structure of the major organic product(s)in the reaction below. CH3CH2 CH 2. PhCH2Br

Provide the major organic product of the following reaction sequence.

Complete the following reaction. 3-hexyne

Describe a sequence of reactions by which the aldehyde CH3CH2CH2CH2CHO could be prepared from acetylene.

Draw an acceptable structure for 2-hexyne.

Provide the structure of the major organic product of the following reaction.

Provide the systematic name of the compound shown.

Which hydrogens are more acidic, those of benzene or those of cyclohexane? Why?

Give the major organic product for the reaction.

How many distinct internal alkynes exist with a molecular formula of C6H10?

Provide the sequence of reagents that are needed to accomplish the multistep synthesis below.

________ is produced when 1 equivalent of HBr is added to 1-hexyne in the presence of peroxides.

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds

Isomers: the Arrangement of Atoms in Space

Alkenes Thermodynamics and Kinetics

Reactions of Alkenes

Electron Delocalization, Resonance, and Aromaticity More About Molecular Orbital Theory

Substitution Reactions of Alkyl Halides

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

Reactions of Alcohols, Ethers, Epoxides, and Sulfur-Containing Compounds

Organometallic Compounds

Reactions of Alkanes, Radicals

Mass Spectrometry, Infrared Spectroscopy, and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Alpha Carbon of Carbonyl Compounds

Reactions of Benzene and Substituted Benzenes

More About Amines Heterocylic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis

The Organic Mechanisms of the Coenzymes

The Chemistry of Metabolism

Nucleosides, Nucleotides, and Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

What are the products of the following reaction? CH₃OH + CH₃C C^-Na⁺ → ?

For the reaction below indicate whether the equilibrium constant will be greater than 1 or less than 1. KOH + CH₃C CH ⇌ H₂O + CH₃C CK

For the reaction below indicate whether the equilibrium constant will be greater than 1 or less than 1. CH₃Li + CH₃C CH ⇌ CH₄ + CH₃C CLi

Provide the structure of the major organic product(s)in the reaction below. CH₃CH₂ CH 2. PhCH₂Br

Describe a sequence of reactions by which the aldehyde CH₃CH₂CH₂CH₂CHO could be prepared from acetylene.

How many distinct internal alkynes exist with a molecular formula of C₆H₁₀?