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WorksheetsPearson Chemistry Chapter 7
Total questions: 80
Worksheet time: 40mins
What substitution reaction mechanism is most likely for the following compound?
SN1
SN2
Either SN1 or SN2
None of these
Predict the product for the following SN1 reaction.
Consider the following SN2 reaction. Assuming no other changes, what is the effect on rate, if the concentration of 2-bromopentane is doubled and the concentration of CH3CH2COONa is halved?
It would increase four times
It would reduce by half
It would double the rate
No effect
It would triple the rate
What substitution reaction mechanism is most likely for the following conversion?
SN1
SN2
Either SN1 or SN2
None of these
When drawing a curved arrow mechanism, the head of the arrow goes where?
To the bond that is being broken
To the bond that is being formed
To the source of electrons that is being moved
To the location to which the electrons are being moved
Predict the product for the following reaction.
What is the degree of substitution of the following alkene?
Disubstituted
Trisubstituted
Tetrasubstituted
Monosubstituted
What is the nucleophile in the following reaction?
III
I
II
IV
Predict the product for the following reaction.
None of these
Which of the following alkyl halides will undergo the fastest SN1 reaction?
Which of the following alkyl halides will undergo the fastest SN2 reaction?
Which of the following is an elimination reaction?
Predict the product for the following SN1 reaction.
Predict the product for the following SN2 reaction.
Consider the following SN2 reaction. Assuming no other changes, what is the effect on the rate, if the concentration of NaN3 is tripled?
It would double the rate
It would triple the rate
It would increase the rate six times
No effect
It would increase four times
Which of the following is a weakest nucleophile in a polar protic solvent?
F-
Cl-
Br-
I-
All of these
Predict the product for the following SN2 reaction.
None of these
Predict the product for the following SN1 reaction.
Which of the following is a strongest nucleophile in a polar protic solvent?
F-
Cl-
Br-
I-
None of these
Which of the following is a reasonable definition of a concerted reaction?
A reaction in which bond forming occurs first
A substitution reaction
A reaction in which bond-breaking occurs first
A reaction in which all bond-breaking and bond-forming occurs at the same time
What is the IUPAC name for the following compound?
3,4-Diethyl-6-bromopentane
(2R,4R)-2-Bromo-4,5-diethylheptane
2-Bromo-4-methylhexane
2-Bromo-4-pentylhexane
(2S,4S)-2-Bromo-4,5-diethylheptane
Identify which of the following that is NOT an effect of adrenaline.
Increases heart rate
Makes one sleepy
Provides boost of energy
Increases level of oxygen
Elevates sugar level
Which of the following is a tertiary alkyl halide?
2-Bromo-2-methylpropane
1-Bromo-2-methylpropane
2-Bromopropane
1-Bromobutane
Which of the following is the rate equation for the following SN2 reaction?
Rate = k[1-bromopropane]2[NaCN]2
Rate = k[1-bromopropane] [NaCN]
Rate = k[NaCN]
Rate = k[1-bromopropane]
Rate = k[1-bromopropane]2
Which of the following is most reactive in an E1 reaction?
What is the electrophile in the following reaction?
IV
III
I
II
Consider the following SN2 reaction. Assuming no other changes, what is the effect on the rate, if the concentration of both 1-chloro-3-methylbutane and NaN3 is doubled?
It would increase four times
It would double the rate
No effect
It would triple the rate
It would reduce by half
Rank the following compounds from most to least reactive in an SN2 reaction.
IV > I > II > III
II > I > IV > III
IV > III > I > II
III > IV > I > II
I > IV > II > III
Identify the methylating agent used in biological systems.
Methylproline
Methylalanine
S-adenosylmethionine
Methyl bromide
Methyl iodide
Which of the following is a primary alkyl halide?
(CH3)2CHCH2Cl
(CH3)2CClCH2CH3
(CH3)2CHCHClCH3
(CH3)2CHCH2CCl(CH3)2
Which of the following is a secondary alkyl halide?
1-Bromo-2-methylpropane
1-Bromobutane
2-Bromo-2-methylpropane
2-Bromopropane
Which of the following is a mechanism for an SN2 reaction?
I
III
II
Both I & II
IV
Which of the following is true about the stereochemistry of SN1 reaction?
Inversion of configuration at the electrophilic center
Retention of configuration at the electrophile center
Slightly more retention than inversion at the electrophilic center
Slightly more inversion than retention at the electrophilic center
50:50 mixture of retention and inversion of configuration at the electrophilic center
Which of the following is a strongest nucleophile in a polar protic solvent?
F-
Cl-
OH-
SH-
All of these
The structure of Crestor® (rosuvastatin), a medication used to reduce cholesterol, is shown here. What is the degree of substitution of the alkene in Crestor®?
Monosubstituted
Disubstituted
Trisubstitued
Tetrasubstituted
When drawing a curved arrow mechanism, the tail of the arrow starts where?
The source of electrons that is being moved
The bond that is being formed
The location to which the electrons are being moved
The atom with the positive charge
Which of the following is the correct mechanism for the elimination reaction of 2-bromo-2,3-dimethylbutane with methoxide?
Predict the product for the following reaction.
I & III
IV
I
II
III
Which of the following compounds has the best leaving group?
There needs to be a positive charge on the branch.
I
II
III
IV
All of these
Rank the following compounds from most to least reactive in an SN1 reaction.
III > IV > I > II
IV > III > I > II
II > I > IV > III
IV > I > II > III
I > IV > II > III
What substitution reaction mechanism is most likely for the following conversion?
SN1
SN2
Either SN1 or SN2
None of these
Which of the following is a tertiary alkyl halide?
(CH3)2CHCH2CHClCH2CH3
(CH3)2CHCHClCH3
(CH3)2CHCH2Cl
(CH3)2CClCH2CH3
Which of the following compounds will undergo rearrangement during solvolysis reaction?
3-iodoheptane
3-iodo-3-methylheptane
3-iodo-2-methylheptane
cis-1-iodo-3-methylcyclohexane
3-iodo-5-methylheptane
Which of the following is a substitution reaction?
What is the degree of substitution of the following alkene?
Monosubstituted
Trisubstituted
Tetrasubstituted
Disubstituted
Draw the potential energy diagram for the following SN2 reaction.
None of these
Rank the following compounds from most to least reactive in an SN1 reaction.
I > IV > II > III
I > III > II > IV
IV > III > I > II
III > II > I > IV
II > III > I > IV
Which of the following is not a possible step in a substitution reaction?
II
III
I
IV
What is the degree of substitution of the following alkene?
Tetrasubstituted
Monosubstituted
Disubstituted
Trisubstituted
Rank the following from most to least stable.
II > I > III
III > II > I
I > III > II
II > III > I
I > II > III
What is the electrophile in the following reaction?
I
IV
II
III
Predict the product for the following reaction.
III
I
IV
II
V
What set of reaction conditions would favor an SN1 reaction on 2-bromo-3-methylbutane?
Weak nucleophile in a protic solvent
Strong nucleophile in an aprotic solvent
Strong nucleophile in a protic solvent
Weak nucleophile in an aprotic solvent
What substitution reaction mechanism is most likely for the following compound?
SN1
SN2
Either SN1 or SN2
None of these
What is the correct structure for 3-ethyl-1-iodocyclohexane?
IV
III
I
II
Predict the product for the following reaction.
II
III
I
I & II
IV
Draw the transition state for the following SN2 reaction.
III
II
IV
I
Describe a strong nucleophile.
A radical
A cation
An anion
A neutral compound
Which of the following is the correct structure of 4-methylcyclopentene?
I
II
IV
III
Which of the following is the most reactive in an E1 reaction?
I
II
III
Which of the following is the rate equation for the following SN1 reaction?
Rate = k[2-chloro-2-methylpentane] [NaI]
Rate = k[NaI]
Rate = k[Chloride Ion]
Rate = k[2-chloro-2-methylpentane]
Which of the following would be the best base for performing the following elimination?
KOCH3
This reaction is not an elimination reaction
KOCH(CH3)2
KOC(CH3)3
Which of the following is the strongest nucleophile?
III
I
IV
II
What is the IUPAC name for the following compound?
Chlorocyclopentane
2-Chloro-1-methylcyclopentane
1-Chloro-2-methylcyclopentane
1-Methyl-2-chloropentane
Predict the product(s) for the following SN1 reaction.
III
Both I & IV
Both II & III
IV
II
Consider the following SN2 reaction. Assuming no other changes, what is the effect on the rate if the concentration of 1-chloro-3-methylbutane is doubled?
It would increase four times
It would reduce by half
It would double the rate
It would triple the rate
No effect
Which of the following is most likely to act as a base rather than a nucleophile?
III
IV
II
I
Which of the following is NOT a nucleophile?
OH-
NH3
CH3OH
NH4+
All of these
Provide the reagents necessary to carry out the following conversion.
H2O
CH3OH
NaOH in water
NaOH in ether
Which of the following is a substitution reaction?
Which of the following is the correct structure of 2-methyl-1-butene?
II
III
IV
I
The structure of Singulair® (montelukast), a medication used to manage asthma, is shown. What is the degree of substitution of the alkene in Singulair®?
Tetrasubstituted
Monosubstituted
Disubstituted
Trisubstituted
What is the IUPAC name for the following compound?
(S)-2-Fluorobutane
(R)-2-Fluorobutane
2-Fluorobutane
3-Fluorobutane
Which of the following shows a mechanism of a concerted elimination?
Which of the following alkyl halide will undergo the slowest SN1 reaction?
Which of the following is most likely to act as a base rather than a nucleophile?
What set of reaction conditions would favor an SN2 reaction on 2-bromo-3-methylbutane?
Weak nucleophile in an aprotic solvent
Strong nucleophile in an aprotic solvent
Weak nucleophile in a protic solvent
Strong nucleophile in a protic solvent
Which of the following alkyl halides would afford the indicated product upon reaction with sodium ethoxide?
I
III
II
IV
Predict the product for the following SN2 reaction.
III
II
IV
Both I & II
I
Which of the following is the most reactive in an E2 reaction?
I
II
III
