ly to read ons where the nuclear charge is less shielded and are thus er as nucleophilic or electrophilic requires a fair amount ilization of the charge. Note that while the charge distribu ll react, there are other factors that also matter. 7) For each molecule below, label any nucleophilic or ele reasoning. OH a) b) c) NH₂ O

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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When an atomic center possesses an excess of positive charge, it is more likely to react with regions with
an excess of negative charge. The center of positive charge "loves" regions with high electron density and
likely to react with centers with an excess of positive charge. The center of negative charge "loves"
are thus called electrophiles. When an atomic center possesses an excess of negative charge, it is more
regions where the nuclear charge is less shielded and are thus called nucleophiles. Generally, labelling a
center as nucleophilic or electrophilic requires a fair amount of excess charge on that center and poor
stabilization of the charge. Note that while the charge distribution on a molecule is a strong driver of how
it will react, there are other factors that also matter.
reasoning.
7) For each molecule below, label any nucleophilic or electrophilic centers. Briefly explain your
a)
b)
c)
OH
NH₂
d)
e)
f)
-N-H
Mg-Br
Mg-Br
8) For each molecule below, predict the partial charge on each atom. Then, rank the molecules based
on nucleophilic strength.
5
Transcribed Image Text:When an atomic center possesses an excess of positive charge, it is more likely to react with regions with an excess of negative charge. The center of positive charge "loves" regions with high electron density and likely to react with centers with an excess of positive charge. The center of negative charge "loves" are thus called electrophiles. When an atomic center possesses an excess of negative charge, it is more regions where the nuclear charge is less shielded and are thus called nucleophiles. Generally, labelling a center as nucleophilic or electrophilic requires a fair amount of excess charge on that center and poor stabilization of the charge. Note that while the charge distribution on a molecule is a strong driver of how it will react, there are other factors that also matter. reasoning. 7) For each molecule below, label any nucleophilic or electrophilic centers. Briefly explain your a) b) c) OH NH₂ d) e) f) -N-H Mg-Br Mg-Br 8) For each molecule below, predict the partial charge on each atom. Then, rank the molecules based on nucleophilic strength. 5
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