Clemmensen reduction of benzaldehyde yields.......

Answer: Toluene

Do you know what is meant by clemmensen reduction? It is important to note that clemmensen reduction involves the reduction of aldehydes & ketones to hydrocarbons by using amalgamated Zn & concentrated HCl. This is represented by the following equation:
CH₃COCH₃---->CH₃CH₂CH₃