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In the following cases rearrange the compounds as directed:(i) In an increasing order of basic strength:C6H5NH2 , C6H5N(CH3 )2 , (C2H5 )2 NHand CH3NH2(ii) In a decreasing order of basic strength: Aniline, p-nitroaniline and p-toluidine(iii) In an increasing order of pKb values:C2H5NH2 , C6H5NHCH3 , ( C2H5 )2 NHand C6H5NH2 |
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Answer» (i) Increasing order of basic strength is: C6H5NH2 < C6H5N(CH3)2 < CH3NH2 < (C2H5)2NH (ii) p-Toluidine > Aniline > tr-nitroaniline (iii) (C2H5)2 NH2 < C2H5NH2 < C6H5NHCH3 < C6H5NH2 |
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