(a) Interpretation: The plausible Lewis structure of FNO should be predicted. Concept introduction: Lewis structure represents the distribution of electrons by an individual atom in a molecule. The molecular structure is a 3-dimensional representation of bond pairs around the central atom. It is also known as molecular geometry.
(a) Interpretation: The plausible Lewis structure of FNO should be predicted. Concept introduction: Lewis structure represents the distribution of electrons by an individual atom in a molecule. The molecular structure is a 3-dimensional representation of bond pairs around the central atom. It is also known as molecular geometry.
Solution Summary: The author explains the Lewis structure of FNO, which represents the distribution of electrons by an individual atom in a molecule.
The plausible Lewis structure of FNO should be predicted.
Concept introduction:
Lewis structure represents the distribution of electrons by an individual atom in a molecule. The molecular structure is a 3-dimensional representation of bond pairs around the central atom. It is also known as molecular geometry.
Interpretation Introduction
(b)
Interpretation:
The geometric shape of FNO should be predicted.
Concept introduction:
Lewis structure represents the distribution of electrons by an individual atom in a molecule. The molecular structure is a 3-dimensional representation of bond pairs around the central atom. It is also known as molecular geometry.
Interpretation Introduction
(c)
Interpretation:
The reason as to why dipole moment of FNO is larger than FNO2 should be stated.
Concept introduction:
Lewis structure represents the distribution of electrons by an individual atom in a molecule. The molecular structure is a 3-dimensional representation of bond pairs around the central atom. It is also known as molecular geometry.
Write resonance forms that describe the distribution of electrons in each of these molecules or ions.
(a) sulfur dioxide, SO2
(b) carbonate ion, CO3²-
(c) hydrogen carbonate ion, HCO3- (C is bonded to an OH group and two O atoms)
(d) pyridine:
H.
H.
(e) the allyl ion:
H H H
H-C-C-c-H
Some chemists believe that satisfaction of the octet rule should be the top criterion
for choosing the dominant Lewis structure of a molecule or ion. Other chemists
believe that achieving the best formal charges should be the top criterion.
Consider the dihydrogen phosphate ion, HaPO, , in which the H atoms are bonded
to O atoms. (a) What is the predicted dominant Lewis structure if satisfying the
octet rule is the top eriterion? (b) What is the predicted dominant Lewis structure if
achieving the best formal charges is the top criterion?
3)
The molecule diphosphorus tetraoxide (P,O,) has two central atoms and four different resonance
structures that do not violate the octet rule. Draw two of these resonance structures below.
4)
The compound acetone is a common solvent. It has a chemical formula of CH,COCH, Acetone has
three central atoms.
(a) Draw the Lewis Dot structure for acetone.
(b) Give the Ideal Bond Angle for all three central atoms.
5)
Four covalent molecules are drawn below.
:o:
H.
H-CH
H
H
(1)
(2)
(3)
(4)
a)
Define each of these molecules as polar or non-polar.
(1)
(2)
(3)
b)
Describe the type of intermolecular force that each molecule would use:
(1)
(2)
(3)
(4)
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INTRODUCTION TO MOLECULAR QUANTUM MECHANICS -Valence bond theory - 1; Author: AGK Chemistry;https://www.youtube.com/watch?v=U8kPBPqDIwM;License: Standard YouTube License, CC-BY