The pKa of CH3COOH is 4.8 and the pKa of HCOOH is 3.8.Given this information,one knows that
A) CH3COOH completely ionizes in water.
B) HCOOH is a weaker acid than CH3COOH.
C) HCOO- is a weaker base than CH3COO-.
D) CH3COOH reacts with HO- while HCOOH does not.
E) HCOOH reacts with HO- while CH3COOH does not.
Correct Answer:
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Q11: What is the conjugate acid of CH3NH2?
A)CH3NH3+
B)CH3NH-
C)NH4+
D)NH2-
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B)H3O.
C)H3O+.
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