An organic compound $A$ reacts with sodium metal and forms $B.$ On heating with conc. $H_2SO_4,$ $A$ gives diethyl ether. $A$ and $B$ are

In the given esterification reaction,the labelled $^{18}O$ will be found in:

When a mixture of ethanol and methanol is heated in the presence of concentrated $H_2SO_4$,the resulting organic product or products is/are:

The predominant intermolecular forces present in ethyl acetate,a liquid,are

$A$ new carbon-carbon bond formation is possible in

Given below are two statements:
Statement $I$: $p$-nitrophenol is more acidic than $m$-nitrophenol and $o$-nitrophenol.
Statement $II$: Ethanol will give immediate turbidity with Lucas reagent.
In the light of the above statements,choose the correct answer from the options given below: