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The rate of reversible reaction (change ...

The rate of reversible reaction (change in concentration per second):
`PrCl_(4)^(2-)+H_(2)OhArrPt(H_(2)O)Cl_(3)^(-)+Cl^(-)`,
was observed at `0.3 ionic` strength at `25^(@)C` and noticed that
`(Delta[PtCl_(4)^(2-)])/(Delta t)=3.9xx10^(-5)[PtCl_(4)^(2-)]-2.1xx10^(-3)[Pt(H_(2)O)Cl_(3)^(-)][Cl^(-)]`
Calculate: (`a`) Rate constant for forward and backward reaction.
(`b`) The equilibrium constant for the complexation of fourth `Cl^(-)` at `0.3 ionic` strength.

Text Solution

Verified by Experts

Equilibrium constant `K_(c)` for backward reaction is
`K_(c) = K_(b)/K_(f) = 2.1 xx 10^(-3)/(3.9 xx 10^(-5)) = 53.85 litremol^(-1)`
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