Question 1

What is the structure of the missing reagents A and B below?

Accepted Answer

The answer of What is the structure of the missing...

Question 2

Draw an acceptable structure for 3-sec-butyl-1-heptyne.

Accepted Answer

The answer of Draw an acceptable structure for 3-sec-butyl-1-heptyne....

Question 3

Draw an acceptable structure for acetylene.

Accepted Answer

The answer of Draw an acceptable structure for acetylene....

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

In the hydroboration-oxidation reaction of a terminal alkyne,the product is a(n)

Accepted Answer

A) alkyne 
B) aldehyde 
C) ketone 
D) enol 
E) alcohol 
A) alkyne 
B) aldehyde 
C) ketone 
D) enol 
E) alcohol

Question 6

Provide the major organic product in the reaction below.

Accepted Answer

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

Question 7

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 8

Provide the major organic product in the reaction below.

Accepted Answer

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

Question 9

Which is the correct order of decreasing acidity in the following compounds? H2O CH3CH3 NH3 CH2
    CH2 HC   CH
A B C D E

Accepted Answer

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

Question 10

Provide the structure of the intermediate which forms in the first step of the reaction of 1-butyne with water in the presence of H2SO4/HgSO4.

Accepted Answer

Question 11

Give the systematic name of the compound shown below.

Accepted Answer

(S)-5-meth

Question 12

Give the IUPAC name for the following compound.

Accepted Answer

A) isoprene 
B) 3-methyl-1,3-butadiene 
C) 2-methyl-1,3-butadiene 
D) 2-methyl-2,3-butadiene 
E) isobutadiene 
A) isoprene 
B) 3-methyl-1,3-butadiene 
C) 2-methyl-1,3-butadiene 
D) 2-methyl-2,3-butadiene 
E) isobutadiene

Question 13

Provide the structure of the major organic product that results when 2-butyne is treated with 2 equivalents of HCl.

Accepted Answer

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

Question 14

Which of the following are enol forms of 2-butanone?

Accepted Answer

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

Question 15

What are the hybridizations of the carbon atoms numbered 1 and 2 in the structure below? 1 2
H3C-CH   CH-C   C-H

Accepted Answer

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

Question 16

What two atomic orbitals or hybrid atomic orbitals overlap to form the carbon-carbon σ bond in ethyne?

Accepted Answer

A) sp3-sp3 
B) p-p 
C) sp2-sp2 
D) s-s 
E) sp-sp 
A) sp3-sp3 
B) p-p 
C) sp2-sp2 
D) s-s 
E) sp-sp

Question 17

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

Accepted Answer

1.NaNH₂ 2.C

Question 18

What is the structure of the missing product A and reagent B of this reaction?

Accepted Answer

The answer of What is the structure of the missing...

Question 19

What is/are the major organic product(s)of the following reaction?

Accepted Answer

A) CH2     CH2 + HC   CH 
B) CH3CH2C   CH 
C) HC   CBr 
D) HC   CCH2CH2Br 
E) CH3C   CCH3 
A) CH2     CH2 + HC   CH 
B) CH3CH2C   CH 
C) HC   CBr 
D) HC   CCH2CH2Br 
E) CH3C   CCH3

Question 20

Provide the structure of the major organic product(s)in the reaction below.

Accepted Answer

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

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

What is the structure of the missing reagents A and B below?

Draw an acceptable structure for 3-sec-butyl-1-heptyne.

Draw an acceptable structure for acetylene.

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

In the hydroboration-oxidation reaction of a terminal alkyne,the product is a(n)

Provide the major organic product in the reaction below.

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

Provide the major organic product in the reaction below.

Which is the correct order of decreasing acidity in the following compounds? H2O CH3CH3 NH3 CH2 CH2 HC CH A B C D E

Provide the structure of the intermediate which forms in the first step of the reaction of 1-butyne with water in the presence of H2SO4/HgSO4.

Give the systematic name of the compound shown below.

Give the IUPAC name for the following compound.

Provide the structure of the major organic product that results when 2-butyne is treated with 2 equivalents of HCl.

Which of the following are enol forms of 2-butanone?

What are the hybridizations of the carbon atoms numbered 1 and 2 in the structure below? 1 2 H3C-CH CH-C C-H

What two atomic orbitals or hybrid atomic orbitals overlap to form the carbon-carbon σ bond in ethyne?

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

What is the structure of the missing product A and reagent B of this reaction?

What is/are the major organic product(s)of the following reaction?

Provide the structure of the major organic product(s)in the reaction below.

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

Which is the correct order of decreasing acidity in the following compounds? H₂O CH₃CH₃ NH₃ CH₂ CH₂ HC CH A B C D E

Provide the structure of the intermediate which forms in the first step of the reaction of 1-butyne with water in the presence of H₂SO₄/HgSO₄.

What are the hybridizations of the carbon atoms numbered 1 and 2 in the structure below? 1 2 H₃C-CH CH-C C-H