ORGANIC QUIZZES - TOPIC 3 Mechanisms SET B
ORGANIC Quizzes - TOPIC 3 Mechanisms SET B.
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QUESTION 1. When hydrogen chloride adds to propene, the mechanism depends upon what?
(A) Polarity of HCl
(B) Heterolytic fission of HCl
(C) Electrophilic attack of pi bond in propene
(D) A large area of negative charge around the pi bond in the alkene
(E) All of the above
QUESTION 2. Which of the following is an electrophilic addition?
(A) Ethene + Water ==> Ethanol
(B) Bromine + Methane ==> Bromomethane + HBr
(C) Benzene + mixed concentrated acids ==> Nitrobenzene
(D) NaOH + chloroethane ==> Ethanol
(E) None of the Above
QUESTION 3. What would be a possible product of adding HBr to propene in the dark?
(A) 2-bromopropane
(B) 1,2-dibromopropane
(C) 2-bromopropene
(D) 1,2-dibromopropene
(E) None of the above
QUESTION 4. Which of the following halogenoalkanes would be expected to undergo a SN1 mechanism with aqueous hydroxide ions?
(A) chloroethane
(B) 1-chloropropane
(C) 1-bromobutane
(D) 1-chlorobutane
(E) None of the above
QUESTION 5. Which combination of reagents could be used for the conversion of benzene to methylbenzene?
(A) Cl
2
+ ultra violet light
(B) CH
3
Cl in ultra violet light
(C) Mixed concentrated Acids
(D) CH
3
Cl + AlCl
3
(E) AlCl
3
+ Cl
2
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