In the presence of an iodine catalyst,chlorine reacts with acetic acid to form:

In the quick vinegar process of acetic acid,the temperature of the mixture is ......... $K$.

Arrange the following in the increasing order of their acidic strength: $CH_{3}COOH, CH_{2}ClCOOH, CHCl_{2}COOH, CCl_{3}COOH$.

An acyl halide is formed when $PCl_5$ reacts with an

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

Which is the most acidic hydrogen on propyl acetoacetate?
$CH_3(V) - CO - CH_2(W) - CO - O - CH_2(X) - CH_2 - CH_3(Y)$