8 Questions
What type of reaction is Cannizzaro's reaction?
Disproportionation reaction
What is the role of the hydroxide ion in Cannizzaro's reaction?
Acts as a nucleophile
What is the product obtained from the conversion of one molecule of aldehyde in Cannizzaro's reaction?
Corresponding alcohol
How is the methoxide ion involved in Cannizzaro's reaction?
Acts as a base and abstracts a proton from formic acid
What is the role of the hydroxide ion in the mechanism of the Cannizzaro's reaction?
Assisting in the transfer of a hydride ion to another molecule of aldehyde
Why do aldehydes with no a-hydrogen atoms undergo Cannizzaro's reaction?
This is due to the absence of hydrogen atoms for enolization
What is the function of the methoxide ion in the Cannizzaro's reaction mechanism?
Abstracting a proton from formic acid to form methanol and formate ion
Why does Cannizzaro's reaction involve disproportionation (self oxidation-reduction) reaction?
Because it results in both oxidation and reduction of the aldehyde molecules
Test your knowledge of the mechanism of Cannizzaro’s reaction, a disproportionation reaction involving aldehydes with no a-hydrogen atoms. Understand the role of aqueous sodium hydroxide and the mechanism involving nucleophilic attack.
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