JEE Main · 2024 · 29 Jan 2024 · Shift 1 · Hydrocarbons

Consider the given reaction. The total number of oxygen atoms present per molecule of the product (P) is ____.

Answer: 1

Solution

Ozonolysis (O

_{3}

followed by reductive workup with Zn/H

_{2}

O) cleaves the

C = C

double bond of the given alkene, converting each doubly-bonded carbon into a carbonyl carbon.

The product P is an aldehyde (acetaldehyde-type fragment,

CH_{3} CH = O

), which contains exactly 1 oxygen atom per molecule.

Key confirmed: 1.

Structure Reaction mechanism — Reaction mechanism

Structure Product structure — Product structure

JEE Main · 2024 · 29 Jan 2024 · Shift 1 · Integer answer

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