The reason for the statement, “The stickiness of eating an orange is easily washed off hands with just plain water, whereas the greasiness of eating French fries requires soap,” is to be explained. Concept introduction: Soap is a water-soluble compound, which is used for washing and cleaning purpose. It is made up of natural oil or fat treated with sodium hydroxide or another strong base. In short, soaps are surfactants, that is, they are dissolved in water and oil. Detergent is more effective than soap because it contains one or more surfactants.

Question

How many signals do you expect in the H NMR spectrum for this molecule? Br Br Write the answer below. Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H atoms that would contribute to the same signal as the H already highlighted red. Note for advanced students: In this question, any multiplet is counted as one signal. Number of signals in the 'H NMR spectrum. For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to the same signal as the H atom already highlighted red. If no other H atoms will contribute, check the box at right. No additional Hs to color in top molecule For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute to the same signal as the H atom already highlighted red. If no other H atoms will contribute, check the box at right. No additional Hs to color in bottom molecule

Answer 1

Question

Chapter 15, Problem 1E

Interpretation Introduction

Interpretation:

The reason for the statement, “The stickiness of eating an orange is easily washed off hands with just plain water, whereas the greasiness of eating French fries requires soap,” is to be explained.

Concept introduction:

Soap is a water-soluble compound, which is used for washing and cleaning purpose. It is made up of natural oil or fat treated with sodium hydroxide or another strong base. In short, soaps are surfactants, that is, they are dissolved in water and oil.

Detergent is more effective than soap because it contains one or more surfactants.

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