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Question: Answered & Verified by Expert
Assertion: Cis-2-butene gives meso-2, 3-butanediol with dilute alkaline $\mathrm{KMnO}_4$ solution. Reason : Dilute alkaline $\mathrm{KMnO}_4$ solution gives trans addition with alkenes.
ChemistryHydrocarbonsAIIMSAIIMS 2009
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion
  • B If both assertion and reason are true but reason is not the correct explanation of assertion
  • C If assertion is true but reason is false
  • D If both assertion and reason are false.
Solution:
1070 Upvotes Verified Answer
The correct answer is: If assertion is true but reason is false


Alkaline $\mathrm{KMnO}_4$ always gives cis-addition on olefins.

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