Multiple Choice
Determine if each of the following compounds will create an acidic, basic or neutral solution.
a) Co(HSO4)2 b) Sr(HSO3)2
10. Acids and Bases
Ionic Salts (Simplified)
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Determine if each of the following compounds will create an acidic, basic or neutral solution.
a) LiC2H3O2 b) C6H5NH3Br
A
a) acidic b) basic
B
a) acidic b) acidic
C
a) basic b) acidic
D
a) basic b) basic
Verified step by step guidance1
Identify the ions present in each compound. For LiC2H3O2, the ions are Li+ and C2H3O2-. For C6H5NH3Br, the ions are C6H5NH3+ and Br-.
Determine the nature of each ion. Li+ is a cation from a strong base (LiOH), and C2H3O2- is the acetate ion, which is the conjugate base of acetic acid (a weak acid). C6H5NH3+ is the conjugate acid of aniline (a weak base), and Br- is the bromide ion, which is the conjugate base of hydrobromic acid (a strong acid).
Analyze the behavior of the ions in water. Li+ does not affect the pH significantly, while C2H3O2- can accept protons, making the solution basic. C6H5NH3+ can donate protons, making the solution acidic, while Br- does not affect the pH significantly.
Conclude the solution's nature based on the dominant ion effect. For LiC2H3O2, the basic nature of C2H3O2- dominates, resulting in a basic solution. For C6H5NH3Br, the acidic nature of C6H5NH3+ dominates, resulting in an acidic solution.
Summarize the findings: LiC2H3O2 creates a basic solution, and C6H5NH3Br creates an acidic solution.
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