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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
MCQ
Which of the following represents Westrosol?
  • A
    CHCl3​
  • B
    CH2​Cl2​
  • C
    CHCl2​CH2​Cl
  • D
    CCl2​=CHCl
✓

Answer

  1. CCl2​=CHCl

Explanation:

When westron vapours are passed over heated BaCl2​ or lime, westrol (trichloro ethylene) is obtained.

$\text{Cl}_2\text{​CH}-\text{CH​Cl}_2\xrightarrow{\text{BaCl​}_2}\text{Cl}_2​\text{C}=\text{CH}\text{Cl}$

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