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Which pair of atoms forms the most polar bond?a) N and Ob)

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 7SAQ Chapter 9

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 7SAQ

Which pair of atoms forms the most polar bond?

a) N and O

b) C and O

c) C and F

d) N and F

Step-by-Step Solution:

Solution 7SAQ Step 1 of 5 If the difference of electronegativity (EN) between two atoms is 0.4< EN < 1.9 we have a polar covalent bond. Obviously the higher is the difference, the more polar will be the covalent bond. We are going to demonstrate the correct answer is c), by considering the difference of electronegativity values for each pair. Step 2 of 5 Letter (a) For N and O the electronegativity values are 3.0 and 3.5 respectively. Thus EN = 3.5 – 3.0= 0.5 Hence, the electronegativity difference between the two atoms is 0.5. Step 3 of 5 Letter b) For C and O the electronegativity values are 2.5 and 3.5 respectively. Thus EN = 3.5 – 2.5= 1.0 Hence, the electronegativity difference between the two atoms is 1.0.

Step 4 of 5

Chapter 9, Problem 7SAQ is Solved
Step 5 of 5

Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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Which pair of atoms forms the most polar bond?a) N and Ob)

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