The product obtained by heating ethanol with concentrated $H_2SO_4$ at $165^{\circ}C - 170^{\circ}C$ is:

$A$ Grignard reagent $(X)$ on reaction with a carbonyl compound $(Y)$ followed by hydrolysis gives $Z$. $Z$ reacts with conc. $HCl$ at room temperature to give immediate turbidity. $X$ and $Y$ respectively are:

Iodoform can be obtained on warming $NaOH$ and iodine with:

Describe the reactions of alcohols with $(a)$ $HX$ and Lucas test,$(b)$ $PX_3$,and $(c)$ dehydration reactions.

Which of the following alcohols is not oxidized by $PCC$?

When benzyl alcohol is oxidised with $KMnO_4$,the product obtained is