Question 1

Offer an explanation of how iodide catalyzes the hydrolysis of 1-chloropropane in aqueous base.

Accepted Answer

The iodide acts as a nucloephile and dis

Question 2

Provide two ways in which acid catalyzes ester hydrolysis.

Accepted Answer

In the first step, protonating the carbo

Question 3

Give the halide that is the most reactive as a nucleophilic catalyst.

Accepted Answer

A) iodide 
B) bromide 
C) chloride 
D) fluoride 
E) All react equally. 
A) iodide 
B) bromide 
C) chloride 
D) fluoride 
E) All react equally.

Question 4

Rank the following alkyl chlorides in increasing order of reactivity in aqueous ethanol, and explain why one of the compounds is 70,000 times more reactive than the other two.

Accepted Answer

B < A < C. C is the most reactive since

Question 5

Which of the following is not true about the enzyme aldolase?

Accepted Answer

A) It catalyzes the cleavage of D-glucose into two molecules each containing 3-carbons. 
B) It catalyzes the cleavage of D-galactose into two molecules each containing 3-carbons. 
C) It catalyzes the cleavage of a six carbon compound into two three carbon compounds. 
D) It catalyzes the cleavage of D-fructose 1,6-diphosphate into glyceraldehyde-3-phosphate and dihydroxyacetone phosphate. 
E) The enzyme is called aldolase because the reverse reaction is an aldol condensation. 
A) It catalyzes the cleavage of D-glucose into two molecules each containing 3-carbons. 
B) It catalyzes the cleavage of D-galactose into two molecules each containing 3-carbons. 
C) It catalyzes the cleavage of a six carbon compound into two three carbon compounds. 
D) It catalyzes the cleavage of D-fructose 1,6-diphosphate into glyceraldehyde-3-phosphate and dihydroxyacetone phosphate. 
E) The enzyme is called aldolase because the reverse reaction is an aldol condensation.

Offer an explanation of how iodide catalyzes the hydrolysis of 1-chloropropane in aqueous base.

Provide two ways in which acid catalyzes ester hydrolysis.

Give the halide that is the most reactive as a nucleophilic catalyst.

Rank the following alkyl chlorides in increasing order of reactivity in aqueous ethanol, and explain why one of the compounds is 70,000 times more reactive than the other two.

Which of the following is not true about the enzyme aldolase?

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

Reactions of Alkynes Introduction to Multistep Synthesis

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

The Organic Mechanisms of the Coenzymes

The Chemistry of Metabolism

Nucleosides, Nucleotides, and Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Exam 23: Catalysis

Offer an explanation of how iodide catalyzes the hydrolysis of 1-chloropropane in aqueous base.

Provide two ways in which acid catalyzes ester hydrolysis.

Give the halide that is the most reactive as a nucleophilic catalyst.

Rank the following alkyl chlorides in increasing order of reactivity in aqueous ethanol, and explain why one of the compounds is 70,000 times more reactive than the other two.

Which of the following is not true about the enzyme aldolase?

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

Reactions of Alkynes Introduction to Multistep Synthesis

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

The Organic Mechanisms of the Coenzymes

The Chemistry of Metabolism

Nucleosides, Nucleotides, and Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters