Which is an example of aldol condensation?

Example of Cross Aldol Condensation: NaOH. In this reaction benzaldehyde have no alpha hydrogen but acetophenone have alpha hydrogen so its undergo aldol condensation form β-hydroxy ketone. Furthermore, dehydration leads to the formation of the α, β – unsaturated ketone.

Which ketone does not undergo aldol condensation?

Formaldehyde HCHO does not contain alpha hydrogen atom. Hence, it does not undergo aldol condensation reaction.

Does PhCHO undergo aldol condensation?

Solution : False, since benzaldehyde `(PhCHO)` is lacking `alpha-H` atom, so it does not undergo aldol condensation.

Which of the following undergoes aldol condensation?

The aldehydes that have alpha hydrogen atoms undergo aldol condensation reaction. Benzaldehyde lacks the alpha hydrogen, so it cannot undergo aldol condensation reaction. In all other options, there is atleast one alpha hydrogen, so they can undergo aldol condensation reaction.

Which compounds do not give aldol condensation?

The correct option as per the compound will not give aldol is Formaldehyde and Pivaldehydethey do not undergo aldol condensation reaction because both formaldehyde and pivaldehyde does not contain alpha hydrogen atom. Formaldehyde does not undergo aldol condensation, but acetaldehyde does.

Which of the following will not give aldol condensation?

Benzaldehyde will not give aldol condensation due to absence of α-H atom.

Why ch3 3c cho does not undergo aldol condensation?

does not undergo aldol condensation because it does not contain α-hydrogen atom.

Which of the following will not undergo aldol condensation acetaldehyde?

a) Propionaldehyde b) Acetone c) Formaldehyde d) Acetaldehyde. Among the following, Formaldehyde doesn’t undergo aldol condensation because it does not contain α-hydrogen.

What is aldol condensation reaction?

In an aldol condensation, an enolate ion reacts with a carbonyl compound in the presence of acid/base catalyst to form a β-hydroxy aldehyde or β-hydroxy ketone, followed by dehydration to give a conjugated enone. It is a useful carbon-carbon bond-forming reaction.

Which aldehyde can undergo aldol reaction?

Thus, propanal and ethanal are the aldehydes that can undergo aldol condensation. However, methanol though does not contain α− hydrogen atom yet undergoes cross aldol condensation in the presence of limewater. Thus, aldehydes that do not undergo aldol condensation are trichloroethanal, benzaldehyde and methanal.

Which of the following compounds can undergo aldol condensation?

Since Acetaldehyde contains α hydrogen atom, it can undergo aldol condensation.

Which aldehyde does not give aldol condensation reaction?

Thus, aldehydes that do not undergo aldol condensation are trichloroethanal, benzaldehyde and methanal.

Is Methanal give aldol condensation?

Methanal does not have `alpha` – hydrogen atoms, hence does not undergo aldol condensation reactions.

Is propanone give aldol condensation?

Propanone aldol condensation Propanone is a ketone. Propanone contains three carbon atoms. After aldol condensation of propanone , there are six carbon atoms in the carbon chain. First gives the aldol product with dilute NaOH or KOH.

Which of the following are correct ch3 CH CH Cho undergoes aldol condensation?

Detailed Answer: Aldol condensation occurs due to presence of α -hydrogen. As (CH3)3CH-CHO has one α -H atom whereas (CH3)3C-CHO does not have α – H atom. Thus, (CH3)3CH-CHO undergoes aldol condensation whereas (CH3)3C-CHO does not.

In which reaction C double bond O can be reduced to CH2?

During Clemmensen reduction and Wolff Kishner reduction, aldehyde and ketone groups (−C=O) are converted to −CH2. Was this answer helpful?

Which of the following will not undergo aldol condensation * 2 points a acetaldehyde B Propanaldehyde C benzaldehyde D Acetone?

Among the following, Formaldehyde doesn’t undergo aldol condensation because it does not contain α-hydrogen.