Select the mechanism(s) where the concentration of the nucleophile has no effect on the reaction rate.
Homework Answers
The problem involves the determination of the dependence of the nucleophile on the reaction rate. The mechanism of various reactions is studied to determine the effect.
reaction: It stands for substitution nucleophilic unimolecular reaction. The reaction is a two-step reaction. The first step involves the removal of halide ion to form carbocation. The attack of nucleophile occurs in the second step.
reaction: It stands for substitution nucleophilic bimolecular reaction. The reaction is a single step and the removal of halide ion and the attack of the incoming nucleophile occurs in the same step.
E1 reaction: It stands for elimination reaction following first order kinetics. It is a two-step reaction. The first step involves the removal of halide ion to form carbocation. The abstraction of 
hydrogen occurs in the second step.
E2 reaction: It stands for elimination reaction following second order kinetics. In E2 reaction, the base abstracts the hydrogen and removal of the leaving group simultaneously in the same step.
The rate of reaction depends only on the concentration of the haloalkane (alkyl halide).
![Rate = k[RX]](http://img.homeworklib.com/questions/5fc051a0-44d3-11ea-ac64-cd7ab466bb27.png?x-oss-process=image/resize,w_560)
The rate of 
reaction depends on the concentration of the haloalkane (alkyl halide) as well as the nucleophile.
![Rate = k[RX][Nu]](http://img.homeworklib.com/questions/608cc2f0-44d3-11ea-8ea9-894522875676.png?x-oss-process=image/resize,w_560)
The rate of 
reaction depends only on the concentration of the haloalkane (alkyl halide).
The rate of 
reaction depends on the concentration of the haloalkane (alkyl halide) as well as the base.
![Rate = k[RX][B]](http://img.homeworklib.com/questions/61cd19a0-44d3-11ea-9224-c788d8a911b0.png?x-oss-process=image/resize,w_560)
Therefore, the mechanisms that has no effect on the reaction rate are 
.
Therefore, the mechanisms which has no effect on the reaction rate are as follows:
Add Answer to:
Select the mechanism(s) where the concentration of the nucleophile has no effect on the reaction rate....
Select the mechanism(s) where the concentration of the nucleophile/base has no effect on the reaction rate.
Select the mechanism(s) where the
concentration of the nucleophile/base has no effect on the reaction
rate.
Select the mechanism(s) where the concentration of the nucleophile/base has no effect on the reaction rate.
Select the mechanism(s) where the
concentration of the nucleophile/base has no effect on the reaction
rate.
Look at the given reaction and select the most appropriate answer from the dropdown menus to...
Look at the given reaction and
select the most appropriate answer from the dropdown menus to fill
in the analysis.
The substrate haloalkane is a ["methyl", "primary (unhindered)",
"primary (hindered)", "secondary", "tertiary"] haloalkane. The
nucleophile is a ["poor", "weakly basic", "strongly basic
(unhindered)", "strongly basic (hindered)"] nucleophile. And the
solvent is ["protic", "aprotic"].
This means the reaction likely follows a(n) ["SN2", "SN1", "E2",
"E1", "SN2 and E2", "SN1 and E1", "No reaction"] mechanism(s),
which will result in the stereochemistry at...
Look at the given reaction and select the most appropriate answer from the dropdown menus to...
Look at the given reaction and select the most appropriate
answer from the dropdown menus to fill in the analysis. Choose one
of the answers in the bracket:
The substrate haloalkane is a ["methyl", "primary (unhindered)",
"primary (hindered)", "secondary", "tertiary"] haloalkane. The
nucleophile is a ["poor", "weakly basic", "strongly basic
(unhindered)", "strongly basic (hindered)"] nucleophile. And the
solvent is ["protic", "aprotic"] .
This means the reaction likely follows a(n) ["SN2", "SN1", "E2",
"E1", "SN2 and E2", "SN1 and E1", "No...
1. To which mechanism(s) if any does each statement apply? Fill in each blank with SN1,...
1. To which mechanism(s) if any does each statement apply? Fill in each blank with SN1, SN2, E1, E2, or N/A (not applicable) a) Involves a carbocation intermediate: - and b) Involves retention of configuration at the site of substitution: c) Substitution at the chiral center gives predominantly a racemic product:__ d) The reaction rate can be altered by changing the concentration of the nucleophile/base: - and
How can you tell what is a weak/strong nucleophile and a weak/strong base to determine what mechanism you use (SN1, SN2,...
How can you tell what is a weak/strong nucleophile and
a weak/strong base to determine what mechanism you use (SN1, SN2,
E1, E2)?
3. Draw a structural formula for the major organic product(s) of each reaction and specify the mechanism by which each product is formed (SNI, SN2, El, or E2). NaOH HO CH2CH ON CH3CH OH CHON CH,OH CH,OH DMSO
Organic Chemistry: Vocabulary: i.) If we have a weakly basic nucleophile and a secondary haloalkane we’ll...
Organic Chemistry: Vocabulary: i.) If we have a weakly basic nucleophile and a secondary haloalkane we’ll generally get _ mechanism(s). a. SN1 only b. SN2 c. E2 d. E1 only e. SN1 and E1 f. no reaction This mechanism will have ____ stereochemistry, a. predictable b. random due to the ____. a. planar intermediate b. backside attack transition state c. frontside attack transition state d. anti-periplanar transition state _____________________________________________________ ii.) Carbocation rearrangements will tend to form the __ stable intermediate....
Circle the mechanism (SN2, SN1, E2, or E1) responsible for the formation of each product in...
Circle the mechanism (SN2, SN1, E2, or E1) responsible for the formation of each product in this reaction. If the product cannot be formed in the reaction, circle "not a product". (2 pts) ГОН SN2 SN1 E2 E1 S N2 SN1 E2 E1 SN2 SN1 E2 E1 S2 Sn1 E2 E1 not a product not a product not a product not a product
Consider a reaction with a 3° leaving group and a strong nucleophile/bad base. What reaction pathway...
Consider a reaction with a 3° leaving group and a strong nucleophile/bad base. What reaction pathway will prevall (SN1, SN2, E1, or E2)? Explain your reasoning.
18. The mechanism of the following reaction is CH20-S-OCH3 + 2 NaCN - Na2SO4 + 2...
18. The mechanism of the following reaction is CH20-S-OCH3 + 2 NaCN - Na2SO4 + 2 CH3CM A) Sn1. B) SN2. C) E1. D) E2.
Select the mechanism(s) where the
concentration of the nucleophile/base has no effect on the reaction
rate.
Select the mechanism(s) where the
concentration of the nucleophile/base has no effect on the reaction
rate.
Look at the given reaction and
select the most appropriate answer from the dropdown menus to fill
in the analysis.
The substrate haloalkane is a ["methyl", "primary (unhindered)",
"primary (hindered)", "secondary", "tertiary"] haloalkane. The
nucleophile is a ["poor", "weakly basic", "strongly basic
(unhindered)", "strongly basic (hindered)"] nucleophile. And the
solvent is ["protic", "aprotic"].
This means the reaction likely follows a(n) ["SN2", "SN1", "E2",
"E1", "SN2 and E2", "SN1 and E1", "No reaction"] mechanism(s),
which will result in the stereochemistry at...
Look at the given reaction and select the most appropriate
answer from the dropdown menus to fill in the analysis. Choose one
of the answers in the bracket:
The substrate haloalkane is a ["methyl", "primary (unhindered)",
"primary (hindered)", "secondary", "tertiary"] haloalkane. The
nucleophile is a ["poor", "weakly basic", "strongly basic
(unhindered)", "strongly basic (hindered)"] nucleophile. And the
solvent is ["protic", "aprotic"] .
This means the reaction likely follows a(n) ["SN2", "SN1", "E2",
"E1", "SN2 and E2", "SN1 and E1", "No...
1. To which mechanism(s) if any does each statement apply? Fill in each blank with SN1, SN2, E1, E2, or N/A (not applicable) a) Involves a carbocation intermediate: - and b) Involves retention of configuration at the site of substitution: c) Substitution at the chiral center gives predominantly a racemic product:__ d) The reaction rate can be altered by changing the concentration of the nucleophile/base: - and
How can you tell what is a weak/strong nucleophile and
a weak/strong base to determine what mechanism you use (SN1, SN2,
E1, E2)?
3. Draw a structural formula for the major organic product(s) of each reaction and specify the mechanism by which each product is formed (SNI, SN2, El, or E2). NaOH HO CH2CH ON CH3CH OH CHON CH,OH CH,OH DMSO
Circle the mechanism (SN2, SN1, E2, or E1) responsible for the formation of each product in this reaction. If the product cannot be formed in the reaction, circle "not a product". (2 pts) ГОН SN2 SN1 E2 E1 S N2 SN1 E2 E1 SN2 SN1 E2 E1 S2 Sn1 E2 E1 not a product not a product not a product not a product
Consider a reaction with a 3° leaving group and a strong nucleophile/bad base. What reaction pathway will prevall (SN1, SN2, E1, or E2)? Explain your reasoning.
18. The mechanism of the following reaction is CH20-S-OCH3 + 2 NaCN - Na2SO4 + 2 CH3CM A) Sn1. B) SN2. C) E1. D) E2.
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