The conversion of aldehyde having no alpha hydrogen to a mixture of carbonylc acid and primary alcohol is known as cannizzaro reaction. The most important features of this reaction is the conjugate base of hydrate of aldehye.Which of the following cannot undergo intramolecular cannizzaro reaction ?

The conversion of aldehyde having no alpha hydrogen to a mixture of ca

1.	The conversion of aldehyde having no alpha hydrogen to a mixture of carbonylc acid and primary alcohol is known as cannizzaro reaction. The most important features of this reaction is the conjugate base of hydrate of aldehye.Which of the following cannot undergo intramolecular cannizzaro reaction ?
Answer» `H-underset(O)underset(\|\|)(C)-underset(O)underset(\|\|)(C)-H` `H-underset(O)underset(\|\|)(C)-underset(O)underset(\|\|)(C)-Ph` `Ph-underset(O)underset(\|\|)(C)-underset(O)underset(\|\|)(C)-Ph` All Solution :STEP II is rate determing step. Iosn with more electron DENSITY arebetter hybride donors. In`PH-underset(O)underset(\|\|)(C)-underset(O)underset(\|\|)(C)-Ph` ALDEHYDIC - Hisabsent