Ionic EquilibriumHard
Question
Which of the following is true
Options
A.pKb for OH- is - 1.74 at 25oC
B.The equilibrium constant for the reaction between HA (pKa = 4) and NaOH at 25oC will be equal to 1010.
C.The pH of a solution containing 0.1 M HCOOH (Ka = 1.8 × 10-4) and 0.1 M HOCN.
(Ka = 3.2 × 10-4) will be nearly (3 - log 7).
(Ka = 3.2 × 10-4) will be nearly (3 - log 7).
D.all the above are correct.
≈ 3 - log 7.More Ionic Equilibrium Questions
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