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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
MCQ
Chloroethane is reacted with alcoholic potassium hydroxide. The product formed is:
  • A
    C2​H6​O
  • B
    C2​H6​
  • C
    C2​H4​
  • D
    C2​H4​O
✓

Answer

  1. C2​H4

Explanation:

Chloroethane reacts with alc.KOH and ethene forms.

It is a basic method for preparation of alkene.

Alcoholic KOH when used the elimination reaction takes place.

$\text{C}_2\text{H}_5\text{Cl}\xrightarrow{\text{alc.KOH}}\text{C}_2\text{H}_4+\text{HCl}$

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