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What is (are) the product(s) of the following reaction? What is (are) the product(s) of the following reaction? A) Only I B) Only II C) Only III D) Only I and II


A) Only I
B) Only II
C) Only III
D) Only I and II

E) A) and B)
F) C) and D)

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In addition to the product shown, what other product is formed in the following reaction? In addition to the product shown, what other product is formed in the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and B)
F) A) and C)

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Rank the following activating groups in order of decreasing strength of activation, listing the most activating first. H3C−(CH3) 2 N−CH3O− RCOHN-  I  II  III  IV \begin{array} { c c c c } \mathrm { H } _ { 3 } \mathrm { C } - & \left( \mathrm { CH } _ { 3 } \right) _ { 2 } \mathrm {~N} - & \mathrm { CH } _ { 3 } \mathrm { O } - & \text { RCOHN- } \\\text { I } & \text { II } & \text { III } & \text { IV }\end{array}


A) IV > II > III > I
B) II > III > IV > I
C) III > IV > II > I
D) II > IV > III > I

E) A) and B)
F) All of the above

Correct Answer

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What are the two effects that have to be considered to determine the influence a substituent will have on electrophilic aromatic substitution?


A) Steric and electronic
B) Inductive and steric
C) Inductive and resonance
D) Resonance and electronic

E) B) and C)
F) A) and D)

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) C) and D)
F) A) and B)

Correct Answer

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Which of the following statements about nucleophilic aromatic substitution is true?


A) For the addition-elimination pathway, the nucleophile may become attached either at the site bearing the leaving group or at the site bearing the ortho hydrogen atom.
B) For the elimination-addition pathway, the nucleophile becomes attached only at the site bearing the leaving group.
C) The elimination-addition mechanism is not as common as the addition-elimination mechanism.
D) In the addition-elimination mechanism, the aromatic ring first accepts a pair of electrons from a nucleophile to form a cationic intermediate.

E) B) and C)
F) All of the above

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and B)
F) A) and C)

Correct Answer

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Rank the following deactivating groups in order of increasing deactivating strength, listing the least deactivating first. −COOH−CHO−SO3H−NO2 I  II  III  IV \begin{array} { c c c c } - \mathrm { COOH } & - \mathrm { CHO } & - \mathrm { SO } _ { 3 } \mathrm { H } & - \mathrm { NO } _ { 2 } \\\text { I } & \text { II } & \text { III } & \text { IV }\end{array}


A) I < II < III < IV
B) II < III < IV < I
C) II < I < III < IV
D) IV < III < I < II

E) C) and D)
F) All of the above

Correct Answer

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and B)
F) All of the above

Correct Answer

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Which of the following substituents is an ortho, para director?


A) " CHO"
B) " COOH"
C) " NHCOR"
D) " CN"

E) C) and D)
F) A) and B)

Correct Answer

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) A) and C)
F) A) and B)

Correct Answer

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