Aldol and crossed aldol condensation and nucleophilic

Organic reaction in which enol react with carbonyl compound to forms beta hydroxyaldehyde or betahydroxy ketone is

• Aldol condensation

• Crossed aldol

• Cannizzaro

• Crossed cannizaro reaction

Ketones undergo aldol condensation and form

• Alpha hydroxy ketone

• Beta hydroxy ketone

• Beta hydroxy aldehyde

• None

Aldol product undergo dehydration and form

• Alkane

• Alkene

• Ethane

• Methane

Reagents which undergo crossed aldol condensation reaction

• Methanol

• Benzaldehyde

• A and B

• None

In crossed aldol condensation reaction each one of the aldehyde will have

• Alpha hydrogen

• No alpha hydrogen

• A and b

• None

Acetaldehyde and methanol undergo crossed aldol condensation and form

• 3 hydroxypropanol

• 3 hydroxy ethanol

• 2 hydroxy propanal

• None

Ethanol undergo nucleophilic addition with HCN and form

• Hydroxypropanenitrile

• Hydroxy ethane

• 2 propanol

• All

Electromeric effect is a

• Permanant effect

• Temporary effect

• Intermediate effect

• None

If a electron pair shift towards attacking reagent is called

• -electromeric effect

• + electromeric effect

• A and B

• None

If a electron pair shift away from attacking reagent is called

• _electromeric effect

• +electromeric effect

• A and b

• None