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Question
Arrange the decreasing order of pKb values.
\[\ce{C6H5NH2, C6H5NHCH3, C6H5CH2NH2, CH3NH2, NH3}\]
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Solution
\[\ce{C6H5NH2 > C6H5NHCH3 > NH3 > C6H5CH2NH2 > CH3NH2}\]
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