HydrocarbonshardMCQ MULTIPLE

Which of the following chemical conversions and their corresponding oxidative ozonolysis products arHydrocarbons Chemistry Question

Question

Which of the following chemical conversions and their corresponding oxidative ozonolysis products are matched correctly?

Answer: A,B,C

💡 Solution & Explanation

Oxidative ozonolysis ($O_3/H_2O_2$ or $KMnO_4/\Delta$) cleaves $C=C$ and oxidizes the fragments to their highest carboxylic states. (A) But-2-ene cleaves symmetrically into two acetic acids. (B) 2-methyl-2-butene cleaves to yield acetone (ketones do not oxidize further) and acetic acid. (C) Alkynes completely cleave; propyne yields acetic acid and formic acid, but formic acid heavily oxidizes further into $CO_2$ and $H_2O$. (D) is incorrect because while it initially forms formic acid, under *oxidative* conditions, formic acid is rapidly converted to $CO_2$ and $H_2O$.

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