Baeyer's reagent is
Correct answer: A. dil.alkaline KMnO4 soln.
- A. dil.alkaline KMnO4 soln.
- B. HCl+ZnCl2
- C. New in CCl4
- D. All of these
Explanation
Baeyer's reagent is a dilute alkaline potassium permanganate solution, which is commonly used to test for the presence of unsaturation in organic compounds. Alkenes typically react with this reagent to form alcohol, making option A the correct choice. Options B, C, and D are incorrect as they do not represent Baeyer's reagent and its specific reaction with alkenes.
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About Alkenes
Alkenes are unsaturated hydrocarbons containing a carbon-carbon double bond with sigma and pi components and restricted rotation. Their reactions include electrophilic addition of hydrogen, halogens, hydrogen halides and water, with Markovnikov orientation, oxidation, combustion and polymerisation, while their preparation commonly involves elimination from alkyl halides or alcohols.
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