Organic Solutes in Aqueous Solutions

B1

B1

Acetaldehyde

Stadlbauer, J.M., Venkateswaran, K. and Walker, D.C.
Can. J. Chem., 1997, 75, 74.

Reaction: CH3CHO + Mu ® CH3CH(OMu)

               CH3CHO + Mu
® MuH + CH2 CHO

Type of reaction: addition to C = O bond with Mu attached predominantly to O atom and abstraction of H

kM = (1.75 ± 0.2) x 108 dm3mol-1s-1    pH = 6 ¸ 7

KIE = kM / kH = 1.75 x 108 / 3.1 x 107 = 5.6

kH = 3.1 x 107 dm3mol-1s-1  from: www.rcdc.nd.edu/compilations/HAtom/H.htm 

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