Ozonolysis of o-xylene yielded three products, glyoxal, 2,3-butanedione and pyruvaldehyde in 3:1:2 ratio. What conclusion can be obtained about the structure of o-xylene from this observation is to be stated. Concept introduction: During ozonolysis double bonds present in compounds gets cleaved to give carbonyl compounds. Each carbon in the double bond gets bonded to an oxygen atom. As the benzene ring can be represented by two different resonance forms during ozonolysis, compounds with substituent groups on the benzene ring yield different products. The final ratio in which different products will be formed can be arrived at by considering the products of the ozonolysis of different resonance forms of the reactant. To state: What conclusion can be obtained about the structure of o-xylene from the observation that upon ozonolysis it yielded three products, glyoxal, 2,3-butanedione and pyruvaldehyde in 3:1:2 ratio.

Question

The acid-base chemistry of both EDTA and EBT are important to ensuring that the reactions proceed as desired, thus the pH is controlled using a buffer. What percent of the EBT indicator will be in the desired HIn2- state at pH = 10.5. pKa1 = 6.2 and pKa2 = 11.6 of EBT

Answer 1

Question

Chapter 15.SE, Problem 28AP

Interpretation Introduction

Interpretation:

Ozonolysis of o-xylene yielded three products, glyoxal, 2,3-butanedione and pyruvaldehyde in 3:1:2 ratio. What conclusion can be obtained about the structure of o-xylene from this observation is to be stated.

Concept introduction:

During ozonolysis double bonds present in compounds gets cleaved to give carbonyl compounds. Each carbon in the double bond gets bonded to an oxygen atom. As the benzene ring can be represented by two different resonance forms during ozonolysis, compounds with substituent groups on the benzene ring yield different products. The final ratio in which different products will be formed can be arrived at by considering the products of the ozonolysis of different resonance forms of the reactant.

To state:

What conclusion can be obtained about the structure of o-xylene from the observation that upon ozonolysis it yielded three products, glyoxal, 2,3-butanedione and pyruvaldehyde in 3:1:2 ratio.

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For each of the substituted benzene molecules below, determine the inductive and resonance effects the substituent will have on the benzene ring, as well as the overall electron-density of the ring compared to unsubstituted benzene. Molecule Inductive Effects Resonance Effects Overall Electron-Density × NO2 ○ donating O donating O withdrawing O withdrawing O electron-rich electron-deficient no inductive effects O no resonance effects O similar to benzene E [ CI O donating withdrawing O no inductive effects Explanation Check ○ donating withdrawing no resonance effects electron-rich electron-deficient O similar to benzene © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Acces