(a) Interpretation: The reaction of free radical R · with ferulic acid is to be sttaed. The resonance structure of the product radical is to be drawn. Concept introduction: The free radical is a molecule having unpaired electron in its molecular orbital. Due to the presence of unpaired electron the molecule become unstable and reactive. It can react with any another molecule to generate free radical.

Question

Concentration Trial1 Concentration of iodide solution (mA) 255.8 Concentration of thiosulfate solution (mM) 47.0 Concentration of hydrogen peroxide solution (mM) 110.1 Temperature of iodide solution ('C) 25.0 Volume of iodide solution (1) used (mL) 10.0 Volume of thiosulfate solution (5:03) used (mL) Volume of DI water used (mL) Volume of hydrogen peroxide solution (H₂O₂) used (mL) 1.0 2.5 7.5 Time (s) 16.9 Dark blue Observations Initial concentration of iodide in reaction (mA) Initial concentration of thiosulfate in reaction (mA) Initial concentration of hydrogen peroxide in reaction (mA) Initial Rate (mA's)

Answer 1

Question

Chapter 18, Problem 18.63AP

Interpretation Introduction

(a)

Interpretation:

The reaction of free radical R· with ferulic acid is to be sttaed. The resonance structure of the product radical is to be drawn.

Concept introduction:

The free radical is a molecule having unpaired electron in its molecular orbital. Due to the presence of unpaired electron the molecule become unstable and reactive. It can react with any another molecule to generate free radical.

Interpretation Introduction

(b)

Interpretation:

The comparison as a free-radical inhibitor of the isomer of ferulic acid, 3−hydroxy−4−methoxycinnamic acid with ferulic acid is to be stated.

Concept introduction:

The free radical is a molecule having unpaired electron in its molecular orbital. Due to the presence of unpaired electrons the molecule become unstable and reactive. The free radical inhibitor are the substances which inhibit the reaction.

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Concentration Trial1 Concentration of iodide solution (mA) 255.8 Concentration of thiosulfate solution (mM) 47.0 Concentration of hydrogen peroxide solution (mM) 110.1 Temperature of iodide solution ('C) 25.0 Volume of iodide solution (1) used (mL) 10.0 Volume of thiosulfate solution (5:03) used (mL) Volume of DI water used (mL) Volume of hydrogen peroxide solution (H₂O₂) used (mL) 1.0 2.5 7.5 Time (s) 16.9 Dark blue Observations Initial concentration of iodide in reaction (mA) Initial concentration of thiosulfate in reaction (mA) Initial concentration of hydrogen peroxide in reaction (mA) Initial Rate (mA's)

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