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In Cannizzaro's reaction, what is the ra...

In Cannizzaro's reaction, what is the rate determining step ?

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Transfer of hydride ion on to the carbonyl carbon is the rate determining step in the Cannizzaro.s reaction.
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Aldehydes undergo disproportionation reaction in presence of aqueous NaOH. Simultaneous oxidation and reduction of a compound is scientifically called as disproportionation Aldehydes having no alpha -hydrogen show this reaction called Cannizzaro's reaction. Few exceptions are also there to this generalisation The reaction may be represented as C_6 H_5 -CHO C_6 H_5 underset(C_6 H_5 COONa +C_6 H_5 CH_2 OH) underset(|) CHO underset(Delta) overset(NaOH)to intramolecular cannizzaro reacation is also possible The aldehyde which show Cannizzaro reaction is :

Among the following compounds, some undergo aldol condensation , some undergo Cannizzaro reaction and the remaining undergo neither aldol condensation nor Cannizzaro reaction . Differentiate them and write the structures of the products of aldol condensation and Cannizzaro reaction. i) Benzaldehyde ii) Cyclohexanone iii) Methanal iv) Benzophenone v) 2- Methylpentanal vi) Butan - 1- ol vii) 2,2 - Dimethylbutanal viii) Phenyl acetaldehyde iv) 1 - Phenylpropanone

Aldehydes undergo disproportionation reaction in presence of aqueous NaOH. Simultaneous oxidation and reduction of a compound is scientifically called as disproportionation Aldehydes having no alpha -hydrogen show this reaction called Cannizzaro's reaction. Few exceptions are also there to this generalisation The reaction may be represented as C_6 H_5 -CHO C_6 H_5 underset(C_6 H_5 COONa +C_6 H_5 CH_2 OH) underset(|) (CHO) underset(Delta) overset(NaOH)to intramolecular cannizzaro reacation is also possible The product formed in the following reaction will be : {:(CHO) ,( | ) ,(CHO):} overset(NaOH) to product

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