Class XII

Methyl bromide is converted into ethane by heating it in ether medium with
  1. Zn
  2. Cu
  3. Al
  4. Na
Carbon – halogen bond of alkyl halides is responsible for their nucleophilic substitution, elimination and their reaction with metal atoms to form organometallic compounds because of their
  1. polarity
  2. kinetic properties
  3. racemisation
  4. Chirality
Isomers of the compound C4H9Br are
  1. B and C
  2. 1 – Bromobutane and 2 – Bromobutane
  3. 1 – bromo 2 – methyl propane and 2 – bromo2 – methyl propane
  4. None of the above
Tetrachloromethane (Carbon tetrachloride)is
  1. antiseptic drug
  2. degreasing agent
  3. Pesticide
  4. Refrigerant
A hydrocarbon C5H10 does not react with chlorine in dark but gives a single monochloro compound C 5 H 9 C C5H9Cl in bright sunlight. The hydrocarbon is
  1. Cyclopentene
  2. Cyclopentane
  3. None of the above
  4. Cycloalkyne
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