Which of the following correctly labels the salts? HF (Ka = 7.2 10-4)
NH3 (Kb = 1.8 10-5)
HCN (Ka = 6.2 10-10)
A) NaCN = acidic,NH4F = basic,KCN = neutral
B) NaCN = acidic,NH4F = neutral,KCN = basic
C) NaCN = basic,NH4F = basic,KCN= neutral
D) NaCN = basic,NH4F = neutral,KCN = basic
E) NaCN = basic,NH4F = acidic,KCN = basic
Correct Answer:
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