Sodium acetate reacts with acetyl chloride to form

Consider the acidity of the following carboxylic acids. Which of the following orders is correct?
$A$. $PhCOOH$
$B$. $o-NO_2C_6H_4COOH$
$C$. $p-NO_2C_6H_4COOH$
$D$. $m-NO_2C_6H_4COOH$

$CH_2(CO_2Me)_2 + ? \xrightarrow[(i) \ Na]{(ii) \ AcOH} CH(CO_2Me)_3$
Which of the following reactants will complete the above reaction?

The product obtained when benzoyl acetic acid is heated with soda-lime is:

Identify the compounds $A$,$B$,and $C$ in the following reaction sequence:
$CH_3-Br$ $\xrightarrow{Mg, \text{Ether}} [A]$ $\xrightarrow[(ii) \text{Water}]{(i) CO_2} [B]$ $\xrightarrow{CH_3OH, H^+} [C]$

When ethyl alcohol reacts with acetic acid,the products formed are