The reaction of $CH_3CO_2C_2H_5$ with sodium ethoxide and ethanol gives product $X$. Heating $X$ in the presence of an acid gives $Y$. What is $Y$?

What are $\underline{A}, \underline{B}, \underline{C}$ in the following reactions?
$(I)$ $(CH_3 CO_2)_2 Ca \stackrel{\Delta}{\longrightarrow} \underline{A}$
$(II)$ $CH_3 CO_2 H \underset{\text{Red P}}{\stackrel{HI}{\longrightarrow}} \underline{B}$
$(III)$ $2 CH_3 CO_2 H \stackrel{P_4 O_{10}}{\longrightarrow} \underline{C}$
$\underline{A} \quad \underline{B} \quad \underline{C}$

Benzocaine has been used as a component of appetite suppressants,burn and sunburn remedies. Benzocaine is:

Write chemical reactions to affect the following transformations:
$(i)$ Butan$-1-$ol to butanoic acid
$(ii)$ Benzyl alcohol to phenylethanoic acid
$(iii)$ $3-$Nitrobromobenzene to $3-$nitrobenzoic acid
$(iv)$ $4-$Methylacetophenone to benzene$-1,4-$dicarboxylic acid
$(v)$ Cyclohexene to hexane$-1,6-$dioic acid
$(vi)$ Butanal to butanoic acid.

Which of the following is the correct decreasing order of boiling points for the given organic compounds?

Which of the following compounds on hydrolysis gives reactant $(A)$?