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MHT CET202411 May 2024Morning ShiftChemistryHaloalkanes and HaloarenesActual

Which from following compounds is used to prepare a refrigerant R-22?

Options

  1. AMonochloromethane
  2. BDichloromethane
  3. CTrichloromethane
  4. DTetrachloromethane

Correct answer

C. Trichloromethane

Step-by-step solution

Refrigerant R-22, also known as chlorodifluoromethane ( ( CHClF ₂ )), is commonly produced starting from trichloromethane ( ( CHCl ₃ ) ), also known as chloroform. In the presence of hydrogen fluoride (HF) and appropriate catalysts, chloroform undergoes partial fluorination to yield R-22.

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