TERMIUM Plus®

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COMMON ION EFFECT [1 record]

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Filter results by subject field

Alphabetical list of terms

Record 1 1999-04-30

English

Subject field(s)
  • Chemical Engineering
DEF

The lowering of the degree of ionization of a compound when another ionizable compound is added to a solution; the compound added has a common ion with the other compound.

French

Domaine(s)
  • Génie chimique
DEF

Diminution de la vitesse de réaction d'un substrat RX en solution, provoquée par l'addition au milieu réactionnel d'un électrolyte contenant l'«ion commun» X- ou X+, quand cette réaction implique des intermédiaires réactionnels ioniques R[exposant+] ou R[exposant-] formés dans un prééquilibre.

OBS

Par exemple, la vitesse de solvolyse du chlorure de diphénylméthyle, dans un mélange acétone-eau, est diminuée par l'addition de sels contenant l'ion commun Cl[exposant-] : la concentration de quasi-équilibre du cation diphénylméthyle [...]

Spanish

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