$CCl_3CHO \xrightarrow[KOH]{Conc.}$ Main product is

The reagent used in the Wolff-Kishner reduction is

Which of the following compounds forms lactic acid upon the formation of its cyanohydrin followed by hydrolysis?

$x$ is the product obtained from propanenitrile and stannous chloride in the presence of hydrochloric acid followed by hydrolysis. $y$ is the product obtained from but$-2-$ene by ozonolysis followed by hydrolysis. From the following, which product is not obtained when one mole of $x$ and one mole of $y$ react with each other in the presence of alkali followed by heating?

Which reagent is used to distinguish between acetophenone and benzophenone?

In the given reactions,which one is $INCORRECT$?