Three molecules of acetone in the presence of dry $HCl$ form:

In the given reaction sequence,$Z$ is a mixture of alcohol and acid. The reaction for the conversion of $Y$ to $Z$ is:
$CH_3CH_2OH$ $\xrightarrow[443 \ K]{\text{Conc. } H_2SO_4} X$ $\xrightarrow[(2) \ Zn/H_2O]{(1) \ O_3} Y$ $\xrightarrow[(ii) \ H^+]{(i) \ \text{Conc. } NaOH} Z$

Which of the following compounds will not react with $NaHSO_3$?

Find out the reactivity order of the labeled functional groups towards $LiAlH_4$ reduction.

Which of the following does not form a stable hydrate on addition of $H_2O$?

Which of the following gives Fehling's solution test?