ORGANIC QUIZZES - TOPIC 3 Mechanisms SET A
ORGANIC Quizzes - TOPIC 3 Mecahnisms SET A.
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QUESTION 1. In which of the following reactions does nucleophilic substitution occur?
(A) Chloroethane with aqueous NaOH
(B) Methylbenzene with mixed concentrated nitric and sulfuric acid
(C) Benzene with mixed concentrated nitric and sulfuric acid
(D) Chlorine and methane in ultra-violet light
(E) Both B & C
QUESTION 2. If bromotriphenylmethane were exposed to aqueous potassium hydroxide ions, what type of mechanism would the reaction proceed by?
(A) Electrophilic Substitution
(B) Free-Radical
(C) Nucleophilic Substitution, SN1
(D) Nucleophilic Substitution, SN2
(E) None of the Above
QUESTION 3. Which of the following reactions would you expect to proceed via a free-radical mechanism?
(A) Ethene + Bromine ==> Bromoethane
(B) Iodomethane + water ==> Methanol + HI
(C) Benzene + Mixed Concentrated Acids ==> Nitrobenzene
(D) Propane + Chlorine ==> Chloropropane + HCl
(E) Ethene + HI ==> Iodoethane
QUESTION 4. When benzene is nitrated with mixed concentrated acids?
(A) Benzene is the electrophile
(B) Benzene is the nucleophile
(C) The nitrate ion is the electrophile
(D) There is no reaction
(E) The reaction is an electrophilic substitution
QUESTION 5. A reaction between 1-iodopropane and aqueous sodium hydroxide involves which of the following?
(A) Electrohphilic substitution
(B) Nucleophilic attack by hydroxide ions
(C) Nucleophilic attack by sodium ions
(D) Electrophilic attack by hydroxide ions
(E) Electrophilic attack by sodium ions
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