Question 1

Specify the hybridization on the carbons shown in the following structure.

Accepted Answer

A) 1: sp3 2: sp2 
B) 1: sp2 2: sp. 
C) 1: sp3 2: sp 
D) 1: sp2 2: sp 
A) 1: sp3 2: sp2 
B) 1: sp2 2: sp. 
C) 1: sp3 2: sp 
D) 1: sp2 2: sp

Question 2

Exhibit 9-5
To answer the following question(s) consider this reaction:
​  
-Refer to Exhibit 9-5.On the structures provided,draw arrows showing the electron flow for the reaction mechanism for the electrophilic addition of hydrogen bromide to 1-hexyne.
​

Accepted Answer

The answer of Exhibit 9-5
To answer the following question(s) consider...

Question 3

Draw: 3,10-dimethyl-6-sec-butylcyclodecyne

Accepted Answer

The answer of Draw: 3,10-dimethyl-6-sec-butylcyclodecyne...

Question 4

Exhibit 9-1
The compound below has been isolated from the safflower plant.Consider its structure to answer the following question(s).
​  
-Refer to Exhibit 9-1.Assign E or Z configuration to each of the double bonds in the compound.

Accepted Answer

The answer of Exhibit 9-1
The compound below has been isolated...

Question 5

Consider the three structures shown below.   Explain why Structure C is unstable

Accepted Answer

The hybridization on the carbon atoms of

Question 6

What is the term given to the following species?

Accepted Answer

A) carbene 
B) carbanion 
C) acetylide anion 
D) carbocation 
A) carbene 
B) carbanion 
C) acetylide anion 
D) carbocation

Question 7

Exhibit 9-3
Consider an unknown with the molecular formula CS1U1B14S1U1B0HS1U1B16S1U1B0.
-Refer to Exhibit 9-3.How many degrees of unsaturation are present?

Accepted Answer

A saturated four carbon compou

Question 8

Draw the mechanism of the alkylation of acetylide anion with chloroethane to give 1-butyne.​

Accepted Answer

The answer of Draw the mechanism of the alkylation of...

Question 9

The term retrosynthesis refers to syntheses developed:

Accepted Answer

A) starting with simple molecules. 
B) devised by examining the product. 
C) working forward and backward from intermediates. 
D) beginning by examining the reactant available. 
A) starting with simple molecules. 
B) devised by examining the product. 
C) working forward and backward from intermediates. 
D) beginning by examining the reactant available.

Question 10

Which of the following alkynes will produce a single product upon mercury(II)-catalyzed hydration?

Accepted Answer

A) 2-methyl-5-ethyl-3-heptyne 
B) 3,3-dimethyl-1-heptyne 
C) 3-hexyne 
D) 2-hexyne 
E) Both 3,3-dimethyl-1-heptyne and 3-hexyne 
A) 2-methyl-5-ethyl-3-heptyne 
B) 3,3-dimethyl-1-heptyne 
C) 3-hexyne 
D) 2-hexyne 
E) Both 3,3-dimethyl-1-heptyne and 3-hexyne

Question 11

When the following substance is treated with excess HBr,   The product of the reaction is

Accepted Answer

A)    
B)    
C)    
D) A mixture of a and b would be produced. 
E) A mixture of a,b,and c would be produced. 
A)    
B)    
C)    
D) A mixture of a and b would be produced. 
E) A mixture of a,b,and c would be produced.

Exam 9: Alkynes: an Introduction to Organic Synthesis

Specify the hybridization on the carbons shown in the following structure.

Exhibit 9-5 To answer the following question(s) consider this reaction: ​ -Refer to Exhibit 9-5.On the structures provided,draw arrows showing the electron flow for the reaction mechanism for the electrophilic addition of hydrogen bromide to 1-hexyne. ​

Draw: 3,10-dimethyl-6-sec-butylcyclodecyne

Exhibit 9-1 The compound below has been isolated from the safflower plant.Consider its structure to answer the following question(s). ​ -Refer to Exhibit 9-1.Assign E or Z configuration to each of the double bonds in the compound.

Consider the three structures shown below. Explain why Structure C is unstable

What is the term given to the following species?

Exhibit 9-3 Consider an unknown with the molecular formula C4H6. -Refer to Exhibit 9-3.How many degrees of unsaturation are present?

Draw the mechanism of the alkylation of acetylide anion with chloroethane to give 1-butyne.​

The term retrosynthesis refers to syntheses developed:

Which of the following alkynes will produce a single product upon mercury(II)-catalyzed hydration?

When the following substance is treated with excess HBr, The product of the reaction is

Structure and Bonding

Polar Covalent Bonds;acids and Bases

Organic Compounds: Alkanes and Their Stereochemistry

Organic Compounds: Cycloalkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Par 1

Alkenes: Structure and Reactivity

Alkenes: Reactions and Synthesis

Organohalides

Reactions of Alkyl Halides: Nucleophilic Substitutions and Eliminations

Par 2

Structure Determination: Mass Spectrometry and Infrared Spectroscopy

Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Conjugated Compounds and Ultraviolet Spectroscopy

Par 3

Benzene and Aromaticity

Chemistry of Benzene: Electrophilic Aromatic Substitution

Alcohols and Phenols

Ethers and Epoxides;thiols and Sulfides

Aldehydes and Ketones: Nucleophilic Addition Reactions

Par 4

Carboxylic Acids and Nitriles

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Carbonyl Alpha-Substitution Reactions

Carbonyl Condensation Reactions

Par 5

Amines and Heterocycles

Biomolecules: Carbohydrates

Biomolecules: Amino Acids,peptides,and Proteins

Par 7

Biomolecules: Lipids

Biomolecules: Nucleic Acids

The Organic Chemistry of Metabolic Pathways

Orbitals and Organic Chemistry: Pericyclic Reactions

Synthetic Polymers

Par 1

Filters

Exhibit 9-5 To answer the following question(s) consider this reaction: -Refer to Exhibit 9-5.On the structures provided,draw arrows showing the electron flow for the reaction mechanism for the electrophilic addition of hydrogen bromide to 1-hexyne.

Exhibit 9-1 The compound below has been isolated from the safflower plant.Consider its structure to answer the following question(s). -Refer to Exhibit 9-1.Assign E or Z configuration to each of the double bonds in the compound.

Exhibit 9-3 Consider an unknown with the molecular formula C₄H₆. -Refer to Exhibit 9-3.How many degrees of unsaturation are present?

Draw the mechanism of the alkylation of acetylide anion with chloroethane to give 1-butyne.