a) Li or H Interpretation: The more electronegative element among Li and H is to be identified. Concept introduction: Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table. To determine: Which is more electronegative Li or H.

Question

Experiment: Each team will be provided with 5g of a mixture of acetanilide and salicylic acid. You will divide it into three 1.5 g portions in separate 125 mL Erlenmeyer flasks savıng some for melting point analysis. Dissolve the mixture in each flask in ~60mL of DI water by heating to boiling on a hotplate. Take the flasks off the hotplate once you have a clear solution and let them stand on the bench top for 5 mins and then allow them to cool as described below. Sample A-Let the first sample cool slowly to room temperature by letting it stand on your lab bench, with occasional stirring to promote crystallization. Sample B-Cool the second sample 1n a tap-water bath to 10-15 °C Sample C-Cool the third sample in an ice-bath to 0-2 °C Results: weight after recrystalization and melting point temp. A=0.624g,102-115° B=0.765g, 80-105° C=1.135g, 77-108 What is the percent yield of A,B, and C.

Answer 1

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Chapter 2.1, Problem 1P

Interpretation Introduction

a) Li or H

Interpretation:

The more electronegative element among Li and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Li or H.

Interpretation Introduction

b) B or Be

Interpretation:

The more electronegative element among B and Be is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative B or Be.

Interpretation Introduction

c) Cl or I

Interpretation:

The more electronegative element among Cl and I is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Cl or I.

Interpretation Introduction

d) C or H

Interpretation:

The more electronegative element among C and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative C or H.

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Experiment: Each team will be provided with 5g of a mixture of acetanilide and salicylic acid. You will divide it into three 1.5 g portions in separate 125 mL Erlenmeyer flasks savıng some for melting point analysis. Dissolve the mixture in each flask in ~60mL of DI water by heating to boiling on a hotplate. Take the flasks off the hotplate once you have a clear solution and let them stand on the bench top for 5 mins and then allow them to cool as described below. Sample A-Let the first sample cool slowly to room temperature by letting it stand on your lab bench, with occasional stirring to promote crystallization. Sample B-Cool the second sample 1n a tap-water bath to 10-15 °C Sample C-Cool the third sample in an ice-bath to 0-2 °C Results: weight after recrystalization and melting point temp. A=0.624g,102-115° B=0.765g, 80-105° C=1.135g, 77-108 What is the percent yield of A,B, and C.

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Answer 2

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Chapter 2.1, Problem 1P

Interpretation Introduction

a) Li or H

Interpretation:

The more electronegative element among Li and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Li or H.

Interpretation Introduction

b) B or Be

Interpretation:

The more electronegative element among B and Be is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative B or Be.

Interpretation Introduction

c) Cl or I

Interpretation:

The more electronegative element among Cl and I is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Cl or I.

Interpretation Introduction

d) C or H

Interpretation:

The more electronegative element among C and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative C or H.

Expert Solution & Answer

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Answer 3

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Chapter 2.1, Problem 1P

Interpretation Introduction

a) Li or H

Interpretation:

The more electronegative element among Li and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Li or H.

Interpretation Introduction

b) B or Be

Interpretation:

The more electronegative element among B and Be is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative B or Be.

Interpretation Introduction

c) Cl or I

Interpretation:

The more electronegative element among Cl and I is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Cl or I.

Interpretation Introduction

d) C or H

Interpretation:

The more electronegative element among C and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative C or H.

Expert Solution & Answer

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Answer 4

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Chapter 2.1, Problem 1P

Interpretation Introduction

a) Li or H

Interpretation:

The more electronegative element among Li and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Li or H.

Interpretation Introduction

b) B or Be

Interpretation:

The more electronegative element among B and Be is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative B or Be.

Interpretation Introduction

c) Cl or I

Interpretation:

The more electronegative element among Cl and I is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Cl or I.

Interpretation Introduction

d) C or H

Interpretation:

The more electronegative element among C and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative C or H.

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Answer 5

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Answer 6

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Answer 7

Chapter 2.1, Problem 1P

Interpretation Introduction

a) Li or H

Interpretation:

The more electronegative element among Li and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Li or H.

Interpretation Introduction

b) B or Be

Interpretation:

The more electronegative element among B and Be is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative B or Be.

Interpretation Introduction

c) Cl or I

Interpretation:

The more electronegative element among Cl and I is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Cl or I.

Interpretation Introduction

d) C or H

Interpretation:

The more electronegative element among C and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative C or H.

Answer 8

Chapter 2.1, Problem 1P

Interpretation Introduction

a) Li or H

Interpretation:

The more electronegative element among Li and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Li or H.

Answer 9

Chapter 2.1, Problem 1P

Interpretation Introduction

a) Li or H

Interpretation:

The more electronegative element among Li and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Li or H.

Answer 10

Interpretation Introduction

b) B or Be

Interpretation:

The more electronegative element among B and Be is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative B or Be.

Answer 11

Interpretation Introduction

b) B or Be

Interpretation:

The more electronegative element among B and Be is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative B or Be.

Answer 12

Interpretation Introduction

c) Cl or I

Interpretation:

The more electronegative element among Cl and I is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Cl or I.

Answer 13

Interpretation Introduction

c) Cl or I

Interpretation:

The more electronegative element among Cl and I is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Cl or I.

Answer 14

Interpretation Introduction

d) C or H

Interpretation:

The more electronegative element among C and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative C or H.

Answer 15

Interpretation Introduction

d) C or H

Interpretation:

The more electronegative element among C and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative C or H.

Answer 16

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Ch. 2.1 - Prob. 1P Ch. 2.1 - Prob. 2P Ch. 2.1 - Use the electronegativity values shown in Figure...Ch. 2.1 - Look at the following electrostatic potential map...Ch. 2.2 - Ethylene glycol, HOCH2CH2OH, may look nonpolar...Ch. 2.2 - Make three-dimensional drawings of the following...Ch. 2.3 - Calculate formal charges for the nonhydrogen atoms...Ch. 2.3 - Organic phosphate groups occur commonly in...Ch. 2.6 - Which of the following pairs of structures...Ch. 2.6 - Draw the indicated number of resonance forms for...

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