Sulphonation of benzoic acid produces mainly

The major product formed in the following reaction is
$C_6H_5CH=CH_2$ $\xrightarrow[(ii) H_3O^+]{(i) KMnO_4, KOH, \Delta}$ $\xrightarrow{(iii) Br_2/FeBr_3} \text{Product}$

Carboxylic acids are more acidic than phenols because:

The descending order of acidity for the following carboxylic acids is:
$A.$ $CH_3COOH$
$B.$ $F_3C-COOH$
$C.$ $ClCH_2-COOH$
$D.$ $FCH_2-COOH$
$E.$ $BrCH_2-COOH$
Choose the correct answer from the options given below:

Identify products $A$ and $B$ in the following reaction:
$R-COOR' \xrightarrow[\text{dry ether}]{LiAlH_4} A + B$

Consider the following reaction. The major product $(P)$ formed is: