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Organic Chemistry -- Halogen Derivatives
11.
In the reaction of optically active 2-bromo-octane with sodium hydroxide to give 2-octanol, there is
- A.retention of configuration
- B.inversion of configuration
- C.retention and inversion of configuration in equal amounts of the product
- D.no reaction
- Answer
- Report
Answer : [B]
12.
Which of the following alkyl halides is unreactive in an SN2 reaction?
- A.Primary
- B.Secondary
- C.Tertiary
- D.Methyl chloride
- Answer
- Report
Answer : [C]
13.
The maximum yield of chloromethane (methyl chloride) by the
chlorination of methane is obtained by
- A.using a considerable excess of methane in the reaction mixture
- B.using a large excess of chlorine in the reaction mixture
- C.using a 1 : 1 mixture of methane and chlorine
- D.carrying out the chlorination in the presence of UV light
- Answer
- Report
Answer : [A]
14.
The major product obtained in the reaction of propyl benzene with
chlorine in the presence of UV radiation is
- A.1-chloro-1-phenylpropane
- B.2-chloro-1-phenylpropane
- C.3-chloro-1-phenylpropane
- D.none of these
- Answer
- Report
Answer : [A]
15.
The halogen derivatives of alkenes are known as
- A.alkyl halides
- B.alkenyl halides
- C.alkynyl halides
- D.aryl halides
- Answer
- Report
Answer : [B]
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