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Question: Answered & Verified by Expert
Why is sulphuric acid not used during the reaction of alcohols with KI?
ChemistryHaloalkanes and HaloarenesNEET
Options:
  • A Sulphuric acid is too weak of an acid to facilitate the reaction.
  • B H2SO4cannot be used along with KI in the conversion of an alcohol to an alkyl iodide as it converts KI to corresponding acid, HI which is then oxidised by it to I2.
  • C Sulphuric acid accelerates the reaction but leads to the formation of unstable intermediates.
  • D Sulphuric acid interferes with the solubility of potassium iodide in the reaction mixture.
Solution:
1429 Upvotes Verified Answer
The correct answer is: H2SO4cannot be used along with KI in the conversion of an alcohol to an alkyl iodide as it converts KI to corresponding acid, HI which is then oxidised by it to I2.
Correct Option is : (B)
H2SO4cannot be used along with KI in the conversion of an alcohol to an alkyl iodide as it converts KI to corresponding acid, HI which is then oxidised by it to I2.

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