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Heats of solution and neutralization of protonic acids and bases in ethanol

Lösungs- und Neutralisationswärmen von Protonsäuren und Basen in Ethanol

  • Anorganische Und Physikalische Chemie
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Abstract

Heats of solution of several protonic acids and bases in ethanol have been measured and the following order of their relative strengths is inferred: HSO3F>H2S2O7>H2SO4>HCOOH and sodium ethoxide > potassium ethoxide > piperidine >n-butylamine > benzylamine > morpholine > α-picoline > pyridine > quinoline. Major enthalpy change in the neutralization reactions is attributed to the combination of ethoxonium and ethoxy ions resulting in the formation of ethanol.

Zusammenfassung

Lösungswärmen einiger Protonensäuren und Basen wurden gemessen, wobei sich folgende Reihungen der relativen Stärken ergaben: HSO3F>H2S2O7>H2SO4>HCOOH und Natriumethoxid > Kaliumethoxid > Piperidin >n-Butylamin > Benzylamin > Morpholin > α-Picolin > Pyridin > Chinolin. Der Hauptanteil bezüglich der Enthalpie-Änderung bei der Neutralisation wird der Reaktion von Ethoxonium- und Ethoxy-Ionen zu Ethanol zugeschrieben.

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Author notes

  1. S. C. Ahluwalia

    Present address: Cement Research Institute, New Delhi, India

  2. Ram Parkash

    Present address: Pro-Vice-Chancellor, Kurukshetra University, Kurukshetra, India

Authors and Affiliations

  1. Department of Chemistry, Panjab University, Chandigarh, India

    Ram Parkash, S. C. Ahluwalia & R. C. Paul

Authors
  1. Ram Parkash
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  2. S. C. Ahluwalia
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  3. R. C. Paul
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Parkash, R., Ahluwalia, S.C. & Paul, R.C. Heats of solution and neutralization of protonic acids and bases in ethanol. Monatsh Chem 115, 135–140 (1984). https://doi.org/10.1007/BF00798403

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  • DOI: https://doi.org/10.1007/BF00798403

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