Hydrogen cyanate (HOCN, K a = 3.3 x 10 -4) is a distant cousin of the more (in)famous compound, hydrogen cyanide (HCN, K a = 4.0 x 10 -10), but it still manages to eke out a comfortable living as a weak acid in chemistry text books.
A. Which is more basic: OCN - or CN - ?explain your reasoning.
B. Determine Kc for the reaction
HCN + OCN - ⇌ CN - + HOCN
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