Class XII

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
Triiodomethane (Iodoform) is
  1. antiseptic drug
  2. Refrigerant
  3. Pesticide
  4. degreasing agent
Hydrocarbons are prepared from Grignard reagent by
  1. by exposing them to Magnesium
  2. by exposing them to diethyl ether
  3. by reacting them to water
  4. None of the above
Tetrachloromethane (Carbon tetrachloride)is
  1. antiseptic drug
  2. degreasing agent
  3. Pesticide
  4. Refrigerant
AgCN reacts with haloalkanes to form isocyanide. Haloalkanes react with KCN to form alkyl cyanides as main product
  1. ------- -KCN provides cyanide ions in solution.------------------------------------------------------------------------------- KCN provides cyanide ions in solution------------------------------------------------------------------------- KCN p
  2. AgCN provides cyanide ions in solution.
  3. KCN is mainly covalent in nature
  4. AgCN is mainly ionic in nature
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