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Organic Chemistry -- Halogen Derivatives
16.
In a nucleophilic substitution reaction for a given alkyl group, the order
of reactivity is
- A.R—I > R—Br > R—Cl > R—F
- B.R—F > R—I > R—Br > R—Cl
- C.R—F > R—I > R—Br > R—Cl
- D.R—F > R—Cl > R—Br > R—I
- Answer
- Report
Answer : [A]
17.
Chlorine is the most reactive towards aqueous NaOH in
- A.methyl chloride
- B.chlorobenzene
- C.vinyl chloride
- D.benzyl chloride
- Answer
- Report
Answer : [D]
18.
Chlorine is least reactive in
- A.methyl chloride
- B.ethyl chloride
- C.allyl chloride
- D.vinyl chloride
- Answer
- Report
Answer : [D]
19.
Chlorobenzene can be prepared from aniline by making the latter react with
- A.cuprous chloride
- B.hydrochloric acid
- C.nitrous acid followed by heating with cuprous chloride
- D.chlorine in the presence of ahnydrous AlCl3
- Answer
- Report
Answer : [C]
20.
Which of the following can function as formyl chloride in formylation?
- A.HCHO + HCl
- B.CO + HCl
- C.HCOOCH3 + HCl
- D.HCONH2 + HCl
- Answer
- Report
Answer : [B]
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