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प्रश्न
Write the chemical equations to illustrate the following name reaction:
Cannizzaro’s reaction
Write the reactions involved in the following reaction:
Cannizzaro reaction
उत्तर
Aldehydes which do not have an α-hydrogen atom, undergo self-oxidation and reduction (disproportionation) reaction on treatment with a concentrated alkali.
\[\begin{array}{cc} \phantom{....}\ce{H}\phantom{........}\ce{H}\phantom{.........................}\ce{H}\phantom{...............}\ce{O}\\ \phantom{.....}\backslash\phantom{........}\backslash\phantom{.........................}|\phantom{...............}//\\ \ce{C = O + C = O + Conc{.} KOH ->[\Delta] H - C - OH + H - C}\\ \phantom{.....}/\phantom{........}/\phantom{.........................}|\phantom{...............}\backslash\\ \phantom{..........}\ce{\underset{Formaldehyde}{H\phantom{........}H}}\phantom{.......................}\ce{\underset{Methanol}{H}}\phantom{........}\ce{\underset{Potassium formate}{OK}} \end{array}\]
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संबंधित प्रश्न
Write the chemical equation for the reaction involved in Cannizzaro reaction.
An organic compound with the molecular formula C9H10O forms 2, 4-DNP derivative, reduces Tollens’ reagent and undergoes Cannizzaro reaction. On vigorous oxidation, it gives 1, 2-benzenedicarboxylic acid. Identify the compound.
Describe the following:
Cannizzaro reaction
Write the reactions involved in the following reactions: Clemmensen reduction
Write the product formed when p-nitro chlorobenzene is heated with aqueous NaOH at 443K followed by acidification?
The products obtained in the Cannizzaro reaction are
The key step in cannizzaro reaction in the inter molecular shift qf
\[\begin{array}{cc}
\ce{D}\phantom{........................}\\
|\phantom{.........................}\\
\ce{2D - C = O + OH^- ->[Cannizzaro] X and Y}
\end{array}\]
(Y is alcohol, D is deuterium)
X and Y will have the structure:
Which of the following does not give Cannizzaro reaction?
Write the chemical reaction involved in Cannizzaro reaction of methanal.
