Benzalchloride to cinnamaldehyde

Benzaldehyde can be obtained from benzalchloride. Write reactions for obtaining benzalchloride and then benzaldehyde from it.

Benzaldehyde can be obtained from benzalchloride. Write reactions for obtaining benzalchloride and then benzaldehyde from it.

Convert: Cyanobenzene to Cinnamaldehyde

The IUPAC names of Crotonaldehyde, Cinnamaldehyde and Acrolein are respectively

Assertion: Cinnamaldehyde (Ph - CH = CH - CHO) falls to undergo aldol condensation. Reason : This is due to the fact that cinnamaldehyde does not have acidic alpha - H .

Regarding phenol the correct statements are A) It reacts with B_2//CS_2 to give a mixture of o-bromophenol and p-bromophenol B) In Riemer-Tiemann reaction with CHCl_3 a substituted benzalchloride intermediate is formed C) In Kolbe's reaction gives salicylic acid D) On oxidation with it gives a conjugated diketone