Of the following,which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?

The major product obtained in the following reaction is:

In the following reaction, the major product $(H)$ is

Which of the following reactions is correctly matched?

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

Benzophenone can be converted into benzene using