Chloral having molecular formula ${\mathrm{C}}_2{\mathrm{Cl}}_3\mathrm{OH}$ gives red precipitate with Fehling's reagent. Chloral on reacting with conc. $\mathrm{NaOH}$ form sodium trichloro acetate and another compound $\mathrm{X}$ chloral on reacting with chlorobenzene in the presence of conc. ${\mathrm{H}}_2{\mathrm{SO}}_4$ to form compound $\mathrm{Y}.$ The structure IUPAC names of $\mathrm{X}$ and $\mathrm{Y}$ will be _________

The IUPAC name of the following compound is _________

The IUPAC name of the following compound is _________ 

The major product of the following reaction sequence is $\underline{ }$ 

${\mathrm{C}}_6{\mathrm{H}}_6\frac{\mathrm{CO}+\mathrm{HCl}}{{\text{ Anhydrous AlCl }}_3}\mathrm{X}$

 $\mathrm{X}\underset{\mathrm{\Delta }}{\overset{\mathrm{Conc}.\mathrm{NaOH} }{\to }}\mathrm{Y}+\mathrm{Z}$ 

$\mathrm{Y}$ and $\mathrm{Z}$ in the above sequence of reactions are respectively

Which of the following reagents are used to distinguish aldehydes from Ketones?

I. Fehling's reagent 

II. Lucas reagent

III. Hinsberg's reagent

IV. Tollens reagent

Identify Y in the above sequence of reactions