Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
8th Edition
ISBN: 9780134421377
Author: Charles H Corwin
Publisher: PEARSON
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Question
Chapter 12, Problem 10CE
Interpretation Introduction
Interpretation:
The most polar bond among
Concept introduction:
The polarity of the bond means the extent of the charge separation between the two atoms in the bond. The polarity of any bond is determined by the electronegativity difference between the two atoms in the bond. More is the electronegativity difference, higher is the polarity of the bond. The symbol for the electronegativity is
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18.) Choose all the statements that are correct.
(1) Like atomic size, electronegativity decreases going across a period and increases going down a group.
(2) The second most electronegative element is chlorine.
(3) Electronegativity is directly proportional to atomic number.
(4) Like ionization energy, electronegativity increases going across a period and decreases going down a group.
(5) Electronegativity is a measure of the ability of an atom to attract electrons and form a negative ion.
(6) Electronegativity is a measure of the ability of an atom in a molecule to attract electrons go itself.
(7) Electronegativity was first proposed by Linus Pauling.
Group of answer choices
(2)
(1)
(4)
(3)
(5)
(7)
(6)
Arrange the following bonds in order of decreasing polarity:
C − C, C − H, C − N, C − O, C − S. State the element that is the negative pole in each. You may refer to Figure 12.15
Consider the formate ion, HCO2-,
which is the anion formed when
formic acid lose an H+ ion. The H and
the two O atoms are bonded to the
central C atom.
a) Draw the best Lewis structure for
this ion.
b) Are resonance structures needed
to describe this structure?
c) Would you predict that the C-O
bond lengths in the formate ion
would be longer or shorter relative to
those in CO2?
Chapter 12 Solutions
Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
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