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    • Keywords


      Ionisation constant; spectrophotometry; nitrobenzidines

    • Abstract


      The ionisation constants of 2-nitrobenzidine, 2,2’-dinitrobenzidine and 2,3’-dinitrobenzidine were determined spectrophotometrically in 33-3% (w/w) methanol. The low pK value obtained for 2,3’-dinitrobenzidine when compared to that of 2-nitro and 2,2’-dinitrobenzidines is explained on the basis of electron withdrawing nature of the nitrogroup and intramolecular hydrogen bonding.

    • Author Affiliations


      S Aravamuthan1 C Kalidas1 C S Venkatachalam1

      1. Department of Chemistry, Indian Institute of Technology, Madras - 600 036, India
    • Dates

  • Journal of Chemical Sciences | News

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