Although phenoxide ion has more number of resonating structures than carboxylate ion, carboxylic acid is a stronger acid than phenol. Why?

Write the structure of the following compound.

$4$-Oxopentanal

Write the structures of products of the following reaction:

Write the structures of products of the following reaction:

${\left({\mathrm{C}}_6{\mathrm{H}}_5\mathrm{C}{\mathrm{H}}_2\right)}_2\mathrm{C}\mathrm{d}+2\mathrm{C}{\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{C}\mathrm{l}\mathrm{}⟶$