Organic Solutes in Aqueous Solutions

B24

B25

Chloroacetate ion

Stadlbauer, J.M., Venkateswaran, K. and Walker, D.C.
Radiat. Phys. Chem., 1997, 50, 259.

Reaction:            ClCH2COO- + Mu ® HMu + ClCHCOO-

                          ClCH2COO- + Mu ® Cl- + m+ + CH2COO-

Type of reaction: H atom abstraction and “dechlorination” (atom addition or electron transfer, followed by dissociation)

kM = 9.1 x 105 dm3mol-1s-1  at pH = 5.5  (99.8 %  of anion form) 

KIE = kM / kH = 9.1 x 105 / 2.4 x 106 ~ 0.4

kH = 2.4 x 106 dm3mol-1s-1    at pH ~ 7

from: www.rcdc.nd.edu/compilations/HAtom/H.htm

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