The catalyst $SnCl_2/HCl$ is used in:

The reduction reaction shown is known as:

An organic compound $X$ gives a red precipitate on heating with Fehling's solution. Which one of the following reactions yields $X$ as a major product?

Which of the following reagents is used in the reaction shown below?
Benzoyl chloride $\stackrel{?}{\longrightarrow}$ Benzaldehyde

Provide the missing product in the following reaction:
$CH_3-CH=CH-CH_2OH \xrightarrow{PCC} (?)$

Identify the product obtained when benzoyl chloride is treated with dimethyl cadmium.