Compounds Containing Halogens

1

Which of the following is the correct order of decreasing SN2 reactivity? (X is a halogen)

  1. RCH2X > R2CHX > R3CX
  2. R3CX > R2CHX > RCH2X
  3. R2CHX > R3CX > RCH2X
  4. RCHX > R3CX > R2CHX
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2

On mixing a certain alkane with chlorine and irradiating it with ultraviolet light, it forms only one monochloroalkane. This alkane could be

  1. neopentane
  2. pentane
  3. propane
  4. isopentane
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3

2-­Methylbutane on reacting with bromine in the presence of sunlight gives mainly

  1. 2-­bromo­-2-­methylbutane
  2. 1-­bromo-­3-­methylbutane
  3. 2-­bromo-­3-­methylbutane
  4. 1-­bromo-­2-­methylbutane
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4

The reaction of toluene with Cl2 in presence of FeCl3 gives predominantly

  1. benzoyl chloride
  2. m-­chlorobenzene
  3. benzyl chloride
  4. o­- and p­-chlorotoluene
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5

Which of the following reactions will yield 2, 2-­dibromopropane?

  1. C2H2 + 2HBr →
  2. CH3CHCH2 + 2HBr →
  3. CH3CHCHBr + HBr →
  4. CH3CCH + 2HBr →
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6

Alkyl halides react with dialkyl copper reagents to give

  1. alkenes
  2. alkenyl halides
  3. alkanes
  4. alkyl copper halides
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7

Which one of the following methods is neither meant for the synthesis nor for separation of amines?

  1. Wurtz reaction
  2. Curtius reaction
  3. Hinsberg method
  4. Hofmann method
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