The correct acidity order of the following compounds is:

In the reaction sequence,$[X]$ is a ketone:
$[X] \xrightarrow{KMnO_4/OH^{-}/\Delta} HOOC-(CH_2)_3-CH(CH_3)-COOH$
$[X]$ will be:

Match List-$I$ with List-$II$.
List-$I$:
$(a)$ $\text{Benzene} \xrightarrow[\text{CuCl}]{\text{CO, HCl, Anhyd. AlCl}_3} \text{Benzaldehyde}$
$(b)$ $R-CO-CH_3 + NaOX \rightarrow$
$(c)$ $R-CH_2-OH + R'COOH \xrightarrow{\text{Conc. H}_2\text{SO}_4}$
$(d)$ $R-CH_2COOH \xrightarrow[(ii) H_2O]{(i) X_2/\text{Red P}} R-CH(X)COOH$
List-$II$:
$(i)$ $\text{Hell-Volhard-Zelinsky reaction}$
(ii) $\text{Gattermann-Koch reaction}$
(iii) $\text{Haloform reaction}$
(iv) $\text{Esterification}$
Choose the correct answer from the options given below.

Write the chemical reactions of acetic acid $(CH_3COOH)$ with the following reagents:
$(i)$ Excess $Cl_2$ $+$ Red $P$ followed by $H_2O$
$(ii)$ Heating with sodalime $(NaOH + CaO)$
$(iii)$ Electrolysis of its sodium salt ($Kolbe's$ electrolysis)
$(iv)$ Heating with excess ammonia $(NH_3)$
$(v)$ Reaction with $PCl_5$
$(vi)$ Reaction with $PCl_3$
$(vii)$ Reaction with $SOCl_2$
$(viii)$ Heating with $P_2O_5$
$(ix)$ Reaction with $NaOH_{(aq)}$
$(x)$ Reaction with $NaHCO_{3_{(aq)}}$
$(xi)$ Reaction with $Na$ metal
$(xii)$ Reaction with $LiAlH_4$ / ether or $BH_3$
$(xiii)$ Reaction with ethanol $(C_2H_5OH)$ in the presence of $H_2SO_4$ or $HCl$ gas

An organic compound $[A]$,molecular formula $C_{10}H_{20}O_2$,was hydrolyzed with dilute sulphuric acid to give a carboxylic acid $[B]$ and an alcohol $[C]$. Oxidation of $[C]$ with $CrO_3-H_2SO_4$ produced $[B]$. Which of the following structures are not possible for $[A]$?

$CH_3COOH \xrightarrow{LiAlH_4} A$
$A + CH_3COOH \xrightarrow{H_3O^+} B + H_2O$
In the above reactions,'$A$' and '$B$' respectively are: