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Chemistry · Aldehydes and Ketones

JEE Main 2026 — 4 April, Evening Shift — Question 58

Consider the following molecules/species: The correct order of carbon - oxygen double bond length is:

Question figure
  1. Option A:

    x>y>zx > y > z

  2. Option B:

    y>z>xy > z > x

  3. Option C:

    z>x>yz > x > y

  4. Option D:

    x>z>yx > z > y

    Correct

Answer: D

Step-by-step solution

Quasi aromatic C−O\mathrm{C}-\mathrm{O} bond length is maximum in compound (b) because RS2 of this compound has aromatic character.

Solution figure

Answer key and solution verified before publishing.

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Exam
JEE Main 2026
Paper
4 April, Evening Shift
Subject
Chemistry
Chapter
Aldehydes and Ketones
Topic
Chemical properties of Aldehydes & Ketones
Consider the following molecules/species: The correct order of carbon… | JEE Main 2026 PYQ with Solution · DhiX AI