Reduction of $>C=O$ to $CH_2$ can be carried out with:

When cyclohexanone reacts with dimethylamine in the presence of a catalytic amount of acid,water is continuously removed during the reaction. What is the product commonly called?

Identify the reagents used for the following conversion:

Which of the following is called as Mandelonitrile?

When acetaldehyde reacts with $PCl_{5}$,the resulting compound is

The major product $(P)$ in the following reaction sequence is: