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Consider two acids hcn and hno2

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Reference no: EM132131896

Consider two acids HCN and HNO2:                     

HNO2   +   H2O <--------->    NO2-    +   H3O+ Ka = 5.1 x 10-4         

HCN   +   H2O  <----->     CN-     +  H3O+   Ka = 2.1 x 10-9 

Which of the following statements is/are true?

A) HNO2 is a strong acid. B) HNO2 is a stronger acid than HCN. C) HCN is a stronger acid than HNO2. D) HNO2 and HCN are both weak acids. E) The conjugate base of HNO2 is H3O+

Reference no: EM132131896

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