Question 1

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 2

Provide the major organic product in the reaction below.

Accepted Answer

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

Question 3

What are the hybridizations of the carbon atoms numbered 1 and 2 respectively in the following structure?

Accepted Answer

A) sp3,sp2 
B) sp2,sp2 
C) sp,sp 
D) sp2,sp 
E) sp,sp2 
A) sp3,sp2 
B) sp2,sp2 
C) sp,sp 
D) sp2,sp 
E) sp,sp2

Question 4

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 5

Fill in the missing reagents 2 and 4 and the compound 3.

Accepted Answer

The answer of Fill in the missing reagents 2 and...

Question 6

What is the major product of the following reaction? CH3C   CH

Accepted Answer

A)    
B)    
C) CH3CH   CH-Cl 
D)    
E)    
A)    
B)    
C) CH3CH   CH-Cl 
D)    
E)

Question 7

Provide the structure of (2E,4E)-2-chloro-2,4-octadiene.

Accepted Answer

The answer of Provide the structure of (2E,4E)-2-chloro-2,4-octadiene....

Question 8

Which of the following statements is not true about propyne,HC   C-CH3?

Accepted Answer

A) It contains six sigma bonds. 
B) It contains three pi bonds. 
C) The H-C-H bond angle is about 109.5°. 
D) The C-C-C bond angle is 180°. 
E) The pi bond is weaker than the sigma bond. 
A) It contains six sigma bonds. 
B) It contains three pi bonds. 
C) The H-C-H bond angle is about 109.5°. 
D) The C-C-C bond angle is 180°. 
E) The pi bond is weaker than the sigma bond.

Question 9

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 10

Which of the following is the final and major product of this reaction?

Accepted Answer

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

Question 11

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 12

What is the IUPAC name for the following compound?

Accepted Answer

A) cis,trans-2,4-heptadiene 
B) 2Z,4Z-2,4-heptadiene 
C) cis,cis-2,4-heptadiene 
D) trans,trans-2,4-heptadiene 
E) 2E,4E-2,4-heptadiene 
A) cis,trans-2,4-heptadiene 
B) 2Z,4Z-2,4-heptadiene 
C) cis,cis-2,4-heptadiene 
D) trans,trans-2,4-heptadiene 
E) 2E,4E-2,4-heptadiene

Question 13

Give the systematic name of the compound shown below.

Accepted Answer

1,7-dimeth

Question 14

Write structures and give IUPAC names for all alkynes with molecular formula C5H8.

Accepted Answer

Question 15

A mixture of 1-heptyne,2-heptyne,and 3-heptyne was hydrogenated in the presence of a platinum catalyst until hydrogen uptake ceased.If one assumes that the hydrogenation went to completion,how many distinct seven-carbon hydrocarbons were produced?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 6 
E) 8 
A) 1 
B) 2 
C) 3 
D) 6 
E) 8

Question 16

Provide the major organic product in the reaction below.

Accepted Answer

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

Question 17

Which of the following improperly describes the physical properties of an alkyne?

Accepted Answer

A) relatively nonpolar 
B) nearly insoluble in water 
C) less dense than water 
D) insoluble in most organic solvents 
A) relatively nonpolar 
B) nearly insoluble in water 
C) less dense than water 
D) insoluble in most organic solvents

Question 18

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 19

Name the following compound.

Accepted Answer

(2E,4Z)-2,4-hexadiene or trans

Question 20

2-butyne has higher boiling point than 2-butene because

Accepted Answer

A) 2-butyne has stronger hydrogen bonds 
B) 2-butyne has stronger dipole dipole interactions 
C) 2-butyne has stronger london dispersion forces 
D) 2-butyne has triple bond which is harder to break 
E) 2-butyne has fewer hydrogens 
A) 2-butyne has stronger hydrogen bonds 
B) 2-butyne has stronger dipole dipole interactions 
C) 2-butyne has stronger london dispersion forces 
D) 2-butyne has triple bond which is harder to break 
E) 2-butyne has fewer hydrogens

Exam 7: The Reactions of Alkynes - Introduction to Multistep Synthesis

Give the major organic product for the reaction.

Provide the major organic product in the reaction below.

What are the hybridizations of the carbon atoms numbered 1 and 2 respectively in the following structure?

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

Fill in the missing reagents 2 and 4 and the compound 3.

What is the major product of the following reaction? CH3C CH

Provide the structure of (2E,4E)-2-chloro-2,4-octadiene.

Which of the following statements is not true about propyne,HC C-CH3?

What is the IUPAC name for the following alkyne?

Which of the following is the final and major product of this reaction?

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

What is the IUPAC name for the following compound?

Give the systematic name of the compound shown below.

Write structures and give IUPAC names for all alkynes with molecular formula C5H8.

A mixture of 1-heptyne,2-heptyne,and 3-heptyne was hydrogenated in the presence of a platinum catalyst until hydrogen uptake ceased.If one assumes that the hydrogenation went to completion,how many distinct seven-carbon hydrocarbons were produced?

Provide the major organic product in the reaction below.

Which of the following improperly describes the physical properties of an alkyne?

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

Name the following compound.

2-butyne has higher boiling point than 2-butene because

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

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 Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

What is the major product of the following reaction? CH₃C CH

Which of the following statements is not true about propyne,HC C-CH₃?

Write structures and give IUPAC names for all alkynes with molecular formula C₅H₈.