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Cannizzaro reaction, determination mechanism

Which step would be rate-determining for this mechanism It could not be step 1 since, if this were the case, then the rate law would be first-order with respect to the aldehyde rather than the observed second-order relationship. Also, if the reaction is carried out in water labelled with oxygen-18, the oxygen in the benzaldehyde exchanges with the 180 from the solvent much faster than the Cannizzaro reaction takes place. This can only be because of a rapid equilibrium in step 1 and so step 1 cannot be rate-determining. [Pg.1082]

See other pages where Cannizzaro reaction, determination mechanism is mentioned: [Pg.1081]    [Pg.1081]    [Pg.1083]    [Pg.360]    [Pg.1081]    [Pg.1081]    [Pg.1083]    [Pg.1081]    [Pg.1081]    [Pg.1083]    [Pg.74]    [Pg.824]    [Pg.166]    [Pg.1081]    [Pg.1081]    [Pg.1083]    [Pg.166]    [Pg.1031]    [Pg.1031]    [Pg.1033]    [Pg.159]    [Pg.332]   


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