## Answers

pkb is negative logarithum of the base dissocration constant (ko) at is used to determine strength of Base PKb = -log kb The lower is pkb valus stronger is the base ar lower is pkb means higher is kb as higher kb stands for high Dissoc'action const. which kodese dissociate completly or in higher extent. In our example Ethyl amine har lowest pkb valus, it is strongest base aniline hor highest Pkb valus, so it is weakest base Aniline 6Hs NHL with pkp - 9.37 is weakest base

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