Question

The dissociation constant of a weak acid HA and weak base BOH are $2\times {10}^{-5}$ and $5\times {10}^{-6}$ respectively. The equilibrium constant for the neutralization reaction of the two is:(ignore hydrolysis of resulting salt)

• A. $1.0\times {10}^{-4}$
• B. $1.0\times {10}^{-10}$
• C. $2.5\times {10}^{-1}$
• D. $1.0\times {10}^4$

Answer 1

The correct option is D $1.0\times {10}^4$