(a) Interpretation: The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated. Concept introduction: The elements in a modern periodic table are arranged in an increasing order of their atomic number . In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Question

16. The proton NMR spectral information shown in this problem is for a compound with formula CioH,N. Expansions are shown for the region from 8.7 to 7.0 ppm. The normal carbon-13 spec- tral results, including DEPT-135 and DEPT-90 results, are tabulated: 7 J Normal Carbon DEPT-135 DEPT-90 19 ppm Positive No peak 122 Positive Positive cus и 124 Positive Positive 126 Positive Positive 128 No peak No peak 4° 129 Positive Positive 130 Positive Positive (144 No peak No peak 148 No peak No peak 150 Positive Positive してし

Answer 1

Question

Chapter 3, Problem 3.25E

Interpretation Introduction

(a)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(b)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(c)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(d)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

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16. The proton NMR spectral information shown in this problem is for a compound with formula CioH,N. Expansions are shown for the region from 8.7 to 7.0 ppm. The normal carbon-13 spec- tral results, including DEPT-135 and DEPT-90 results, are tabulated: 7 J Normal Carbon DEPT-135 DEPT-90 19 ppm Positive No peak 122 Positive Positive cus и 124 Positive Positive 126 Positive Positive 128 No peak No peak 4° 129 Positive Positive 130 Positive Positive (144 No peak No peak 148 No peak No peak 150 Positive Positive してし

3. Propose a synthesis for the following transformation. Do not draw an arrow-pushing mechanism below, but make sure to draw the product of each proposed step (3 points). + En CN CN

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Answer 2

Question

Chapter 3, Problem 3.25E

Interpretation Introduction

(a)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(b)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(c)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(d)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

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Answer 3

Question

Chapter 3, Problem 3.25E

Interpretation Introduction

(a)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(b)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(c)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(d)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

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Answer 4

Question

Chapter 3, Problem 3.25E

Interpretation Introduction

(a)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(b)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(c)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(d)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

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Answer 5

Chapter 3, Problem 3.25E

Interpretation Introduction

(a)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(b)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(c)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(d)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer 6

Chapter 3, Problem 3.25E

Interpretation Introduction

(a)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer 7

Chapter 3, Problem 3.25E

Interpretation Introduction

(a)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer 14

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Answer 25

Ch. 3 - Identify the group and period to which each of the...Ch. 3 - Identify the group and period to which each of the...Ch. 3 - Write the symbol and name for the elements located...Ch. 3 - Write the symbol and name for the elements located...Ch. 3 - a. How many elements are located in group VIIB (7)...Ch. 3 - a. How many elements are located in group VIIB (7)...Ch. 3 - The following statements either define or are...Ch. 3 - The following statements either define or are...Ch. 3 - According to the Bohr theory, which of the...Ch. 3 - What particles in the nucleus cause the nucleus to...

Solution Summary: The author explains the electronic configuration for a given element and the number of unpaired electrons present in an element.

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