The above compounds can be differentiated by the following reagent:

The formation of cyanohydrin from ketones is an example of which type of reaction?

Which of the following is formed when benzaldehyde reacts with concentrated sodium hydroxide?

Given below are two statements: One is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$ : $Image-I$ can be easily reduced using $Zn-Hg / HCl$ to $Image-II$.
Reason $R : Zn-Hg / HCl$ is used to reduce carbonyl group to $-CH_2-$ group.
In the light of the above statements,choose the correct answer from the options given below:

In the presence of a dilute base,$C_6H_5CHO$ and $CH_3CHO$ react together to give a product. The product is

The major product formed in the following reaction is: