JEE Advanced Chemistry question

Oxidative ozonolysis of 2-butene in the presence of Zn or dimethyl sulphide forms

(A)CH3CHOCorrect
(B)CH3COOH
(C)CO2
(D)(CH3)2CO

Answer: (A)

Solution

Ozonolysis of 2-butene, CH3–CH=CH–CH3, with a reductive workup (Zn dust or dimethyl sulphide, DMS) cleaves the C=C double bond and gives two molecules of acetaldehyde, CH3CHO, without further oxidation to

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Question ID VK-159454