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Question: Answered & Verified by Expert
In which of the organic reaction alcoholic solution of KOH is used?
ChemistryHaloalkanes and HaloarenesNEET
Options:
  • A Dehalogenation
  • B Dehydrogenation
  • C Dehydrohalogenation
  • D Dehydration
Solution:
1001 Upvotes Verified Answer
The correct answer is: Dehydrohalogenation
CH3CH2Br+alKOHDehydrohalogenation CH2=CH2+KBr+H2O
In alcoholic KOH, hydroxide ions (OH-) are present which is a strong base. They abstract a proton from beta carbon of alkyl halide and favours elimination reaction.
 

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