Chemistry - Carboxylic acid and their Derivatives Question with Solution | TestHub

In the given reaction${\text{C}}_{\text{6}}{\text{H}}_{\text{5}}{\text{CH}}_{\text{2}}\text{COOH}\underset{\left(\text{ii}\right){\text{P}}_2{\text{O}}_5}{\overset{\left(\text{i}\right) {\text{NH}}_3/\text{Δ}}{\to }}\left(\text{X}\right)$
$\left(\text{X}\right)$will be