The concept of molecular orbital theory in dealing with the resonance concept of benzene and carbonate ion has to be discussed. Concept Introduction: Molecular orbital theory: During the formation of bond, the atomic orbitals of individual atom will combine together to form equal number of molecular orbital. These orbitals are arranged in the order of increasing energy level, while in case of valence bond theory , the individual atomic orbital will directly involve in bond formation. Resonance is the phenomenon of delocalization of pi- electrons through conjugation. The aromaticity in benzene means the extraordinary stability of benzene. The extraordinary stability means the resonance property of benzene.
The concept of molecular orbital theory in dealing with the resonance concept of benzene and carbonate ion has to be discussed. Concept Introduction: Molecular orbital theory: During the formation of bond, the atomic orbitals of individual atom will combine together to form equal number of molecular orbital. These orbitals are arranged in the order of increasing energy level, while in case of valence bond theory , the individual atomic orbital will directly involve in bond formation. Resonance is the phenomenon of delocalization of pi- electrons through conjugation. The aromaticity in benzene means the extraordinary stability of benzene. The extraordinary stability means the resonance property of benzene.
Solution Summary: The author explains the concept of molecular orbital theory in dealing with the resonance concept in benzene and carbonate ion.
Definition Definition Theory that explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. VBT gives a quantum mechanical approach to the formation of covalent bonds with the help of wave functions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.
Chapter 10, Problem 10.64QP
Interpretation Introduction
Interpretation: The concept of molecular orbital theory in dealing with the resonance concept of benzene and carbonate ion has to be discussed.
Concept Introduction:
Molecular orbital theory:
During the formation of bond, the atomic orbitals of individual atom will combine together to form equal number of molecular orbital. These orbitals are arranged in the order of increasing energy level, while in case of valence bond theory, the individual atomic orbital will directly involve in bond formation.
Resonance is the phenomenon of delocalization of pi- electrons through conjugation. The aromaticity in benzene means the extraordinary stability of benzene. The extraordinary stability means the resonance property of benzene.
Name
Section
Score
Date
EXERCISE B
pH, pOH, pка, AND PKD CALCULATIONS
1. Complete the following table.
Solution
[H+]
[OH-]
PH
РОН
Nature of Solution
A
2 x 10-8 M
B
1 x 10-7 M
C
D
12.3
6.8
2. The following table contains the names, formulas, ka or pka for some common acids. Fill
in the blanks in the table. (17 Points)
Acid Name
Formula
Dissociation reaction
Ka
pka
Phosphoric acid
H₂PO₁
H3PO4
H++ H₂PO
7.08 x 10-3
Dihydrogen
H₂PO
H₂PO
H+ HPO
6.31 x 10-6
phosphate
Hydrogen
HPO₁
12.4
phosphate
Carbonic acid
H2CO3
Hydrogen
HCO
6.35
10.3
carbonate or
bicarbonate
Acetic acid
CH,COOH
4.76
Lactic acid
CH₂CHOH-
COOH
1.38 x 10
Ammonium
NH
5.63 x 10-10
Phenol
CH₂OH
1 x 10-10
Protonated form
CH3NH3*
3.16 x 10-11
of methylamine
Indicate whether it is true that Co(III) complexes are very stable.
MnO2 acts as an oxidant in the chlorine synthesis reaction.
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Quantum Molecular Orbital Theory (PChem Lecture: LCAO and gerade ungerade orbitals); Author: Prof Melko;https://www.youtube.com/watch?v=l59CGEstSGU;License: Standard YouTube License, CC-BY