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Use the Following Acid Ionization Constants to Identify the Correct

Question 76

Multiple Choice

Use the following acid ionization constants to identify the correct decreasing order of base strengths. HF
Ka = 7.2 10-4
HNO2
Ka = 4.5 10-4
HCN
Ka = 6.2 10-10


A) CN- > NO2- > F-
B) NO2- > F- > CN-
C) F- > CN- > NO2-
D) F- > NO2- > CN-
E) NO2- > CN- > F-

Correct Answer:

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