Kinetic Salt Effect - Size of Ions

  • Thread starter RandyP
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Main Question or Discussion Point

Hello,

Throwing out a question to see if anyone has some insight.

The kinetic salt effect describes the variation of the rate constant of a reaction with respect to the ionic strength of the solution. The mathematical relationship considers the ionic strength (molality/ion charges) of the solution, but as described there would be no effect of ionic radius. Does anyone know if ionic radius can play a role in this? For example, would the magnitude of the kinetic salt effect be identical for a solution of 0.1 M NaCl as it would for 0.1M HCl?


Thanks
RP
 

Answers and Replies

  • #2
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162
Probably not since the charge to mass ratio is higher for hydrogen than it is for sodium. That will affect the ionic strength of the solution.
 

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