Equilibrium - Result Question 83

####87. In a buffer solution containing equal concentration of Band HB, the Kb for B is 1010. The pH of buffer solution is : [2010]

(a) 10

(b) 7

(c) 6

(d) 4

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Solution:

  1. (d) Kb=1010;Ka=104 or pKa=4

For the buffer solution containing equal concentration of Band HB

pH=pKa+log1

pH=pKa=4



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