Chemistry
10th Edition
ISBN: 9781305957664
Author: ZUMDAHL, Steven S.
Publisher: Cengage Learning,
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Chapter 4, Problem 146CP
Complete and balance each acid-base reaction.
a. H3PO4(aq) + NaOH(aq) → Contains three acidic hydrogens
b. H2SO4(aq) + Al(OH)3(s) → Contains two acidic hydrogens
c. H2Se(aq) + Ba(OH)2(aq) → Contains two acidic hydrogens
d. H2C2O4 (aq) + NaOH(aq) → Contains two acidic hydrogens
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Unshared, or lone, electron pairs play an important role in determining the chemical and physical properties of organic compounds.
Thus, it is important to know which atoms carry unshared pairs.
Use the structural formulas below to determine the number of unshared pairs at each designated atom.
Be sure your answers are consistent with the formal charges on the formulas.
CH.
H₂
fo
H2
H
The number of unshared pairs at atom a is
The number of unshared pairs at atom b is
The number of unshared pairs at atom c is
HC
HC
HC
CH
The number of unshared pairs at atom a is
The number of unshared pairs at atom b is
The number of unshared pairs at atom c is
Draw curved arrows for the following reaction step.
Arrow-pushing Instructions
CH3
CH3 H
H-O-H
+/
H3C-C+
H3C-C-0:
CH3
CH3 H
Chapter 4 Solutions
Chemistry
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