Use the following acid ionization constants to identify the correct decreasing order of base strengths. * HNO2 Ka = 4.0 x 10-4 HF Ka = 7.2 x 10-4 HCN Ka = 6.2 x 10-10 O F- > NO2 > CN- CN- F-> NO2 - CN- > NO2 - > F- O NO2-> CN- > F-

Chemistry: An Atoms First Approach
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Author:Steven S. Zumdahl, Susan A. Zumdahl
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Chapter13: Acids And Bases
Section: Chapter Questions
Problem 21Q
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Use the following acid ionization constants to identify the correct decreasing
order of base strengths. *
HNO2
Ka = 4.0 x 10-4
HF
Ka = 7.2 x 10-4
HCN
Ka = 6.2 x 10-10
O F- > NO2 > CN-
CN- F-> NO2 -
CN- > NO2 - > F-
NO2-> CN- > F-
Transcribed Image Text:Use the following acid ionization constants to identify the correct decreasing order of base strengths. * HNO2 Ka = 4.0 x 10-4 HF Ka = 7.2 x 10-4 HCN Ka = 6.2 x 10-10 O F- > NO2 > CN- CN- F-> NO2 - CN- > NO2 - > F- NO2-> CN- > F-
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