(a) Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified. Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

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Answer 1

Question

Chapter 14, Problem 14.30P

Interpretation Introduction

(a)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(b)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(c)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(d)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

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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

In the drawing area below, draw the major products of this organic reaction: 1. NaOH ? 2. CH3Br If there are no major products, because nothing much will happen to the reactant under these reaction conditions, check the box under the drawing area instead. No reaction. Click and drag to start drawing a structure. ☐ : A ค

Predict the major products of the following organic reaction: NC Δ ? Some important Notes: • Draw the major product, or products, of the reaction in the drawing area below. • If there aren't any products, because no reaction will take place, check the box below the drawing area instead. • Be sure to draw bonds carefully to show important geometric relationships between substituents. Note: if your answer contains a complicated ring structure, you must use one of the molecular fragment stamps (available in the menu at right) to enter the ring structure. You can add any substituents using the pencil tool in the usual way. Click and drag to start drawing a structure. Х а

Answer 2

Question

Chapter 14, Problem 14.30P

Interpretation Introduction

(a)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(b)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(c)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(d)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

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Answer 3

Question

Chapter 14, Problem 14.30P

Interpretation Introduction

(a)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(b)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(c)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(d)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

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Answer 4

Question

Chapter 14, Problem 14.30P

Interpretation Introduction

(a)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(b)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(c)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(d)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

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Answer 5

Chapter 14, Problem 14.30P

Interpretation Introduction

(a)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(b)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(c)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Interpretation Introduction

(d)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Answer 6

Chapter 14, Problem 14.30P

Interpretation Introduction

(a)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Answer 7

Chapter 14, Problem 14.30P

Interpretation Introduction

(a)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Answer 8

Interpretation Introduction

(b)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Answer 9

Interpretation Introduction

(b)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Answer 10

Interpretation Introduction

(c)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Answer 11

Interpretation Introduction

(c)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Answer 12

Interpretation Introduction

(d)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Answer 13

Interpretation Introduction

(d)

Interpretation: The highlighted carbon atom of the given compound that absorbs farther downfield is to be identified.

Concept introduction: Depending upon the electron density or the concentration of electron around carbon, the chemical shift values of carbon varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 14 - Problem 14.1 The NMR spectrum of recorded on a ...Ch. 14 - Prob. 14.2P Ch. 14 - How many NMR signals does each compound show? a....Ch. 14 - How many 1H NMR signals does each...Ch. 14 - How many 1H NMR signals does each compound give?...Ch. 14 - Label the protons in each highlighted CH2 group as...Ch. 14 - How many 1H NMR signals would you expect for each...Ch. 14 - Prob. 14.8P Ch. 14 - For each compound, first label each different type...Ch. 14 - Label each statement as True or False. a. When a...

Solution Summary: The author illustrates how the chemical shift values of carbon varies relative to the reference signal.

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