同族元素の原子番号と酸化力との関係

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タイトル別名
  • Relation between atomic number and oxidizing power of homologous elements
  • ドウゾク ゲンソ ノ ゲンシ バンゴウ ト サンカリョク ト ノ カンケイ

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抄録

Homologous elements in periodic table increase their number of electrons with increasing atomic number. The oxidizing power of the elements was then strengthened as seen in their values of ionization potential, standard oxidation potential and standard free energy of formation. This general tendency was perceived in many practical reactions especially in analytica-chemical reactions, but the oxidizing power decreased exceptionally with increasing atomic number in IV B group involving Ti, Zr and Hf, V B group involving V, Nb and Ta and VI B group involving Cr, Mo and W. In VII B group involving Mn, Tc and Re the oxidizing power was in the order Tc>Mn>Re, and in VI A group involving S, Se and Te the oxidizing power was in the order Se>Te>S. The relation between oxidizing power and atomic number was not seen in those groups.

収録刊行物

  • 分析化学

    分析化学 19 (4), 458-462, 1970

    公益社団法人 日本分析化学会

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