The element that has a high electron affinity from Xe and Cs should be predicted. Concept Introduction: The amount of energy required to add an electron to the atom to form negative ion is known as electron affinity. The factors affecting electron affinity are shown below: It is inversely proportional to the size of an atom. It is directly proportional to the effective nuclear charge. It is inversely proportional to the stable electronic configuration.
The element that has a high electron affinity from Xe and Cs should be predicted. Concept Introduction: The amount of energy required to add an electron to the atom to form negative ion is known as electron affinity. The factors affecting electron affinity are shown below: It is inversely proportional to the size of an atom. It is directly proportional to the effective nuclear charge. It is inversely proportional to the stable electronic configuration.
Solution Summary: The author explains that the amount of energy required to add an electron to the atom to form negative ion is known as electron affinity.
Definition Definition Change in energy of a neutral gaseous atom when an electron is added to the atom to form a negative ion.
Chapter 3, Problem 13P
(a)
Interpretation Introduction
Interpretation:
The element that has a high electron affinity from Xe and Cs should be predicted.
Concept Introduction:
The amount of energy required to add an electron to the atom to form negative ion is known as electron affinity. The factors affecting electron affinity are shown below:
It is inversely proportional to the size of an atom.
It is directly proportional to the effective nuclear charge.
It is inversely proportional to the stable electronic configuration.
(b)
Interpretation Introduction
Interpretation:
The element that has a high electron affinity from Pm and F should be predicted.
Concept Introduction:
The amount of energy required to add an electron to the atom to form negative ion is known as electron affinity. The factors affecting electron affinity are shown below:
It is inversely proportional to the size of an atom.
It is directly proportional to the effective nuclear charge.
It is inversely proportional to the stable electronic configuration.
(c)
Interpretation Introduction
Interpretation:
The element that has a high electron affinity from Ca and K should be predicted.
Concept Introduction:
The amount of energy required to add an electron to the atom to form negative ion is known as electron affinity. The factors affecting electron affinity are shown below:
It is inversely proportional to the size of an atom.
It is directly proportional to the effective nuclear charge.
It is inversely proportional to the stable electronic configuration.
(d)
Interpretation Introduction
Interpretation:
The element that has a high electron affinity from Po and At should be predicted.
Concept Introduction:
The amount of energy required to add an electron to the atom to form negative ion is known as electron affinity. The factors affecting electron affinity are shown below:
It is inversely proportional to the size of an atom.
It is directly proportional to the effective nuclear charge.
It is inversely proportional to the stable electronic configuration.
Predict the major organic product(s) of the following reactions. Indicate which of the following mechanisms is in operation: SN1, SN2, E1, or E2.
(c)
(4pts)
Mechanism:
heat
(E1)
CH3OH
+
1.5pts each
_E1 _ (1pt)
Br
CH3OH
(d)
(4pts)
Mechanism:
SN1
(1pt)
(e)
(3pts)
1111 I
H
10
Ill!!
H
LDA
THF (solvent)
Mechanism: E2
(1pt)
NC
(f)
Bri!!!!!
CH3
NaCN
(3pts)
acetone
Mechanism: SN2
(1pt)
(SN1)
-OCH3
OCH3
1.5pts each
2pts for either product
1pt if incorrect
stereochemistry
H
Br
(g)
“,、
(3pts)
H
CH3OH
+21
Mechanism:
SN2
(1pt)
H
CH3
2pts
1pt if incorrect
stereochemistry
H
2pts
1pt if incorrect
stereochemistry
A mixture of butyl acrylate and 4'-chloropropiophenone has been taken for proton NMR analysis. Based on this proton NMR, determine the relative percentage of each compound in the mixture
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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