What Is the Base Ionization Constant , K _b, for Iodate

Multiple Choice

What is the base ionization constant , K _b, for iodate, IO₃^{1 -} , if the acid ionization constant of HIO₃ equals 1.6×10 ^{- 1}?

A) K _b = 1.6×10 ^{- 15}
B) K _b = 6.3×10 ^{- 14}
C) K _b = 8.0×10 ^{- 1}
D) K _b = 1.3×10¹
E) K _b = 1.6×10¹³