$C_3H_6$ $\xrightarrow{X} Y$ $\xrightarrow[C_6H_6]{AlCl_3} Z \text{ (major product)}$
$X$ and $Z$ respectively in the following reaction sequence are

What is the product of $1, 4$-addition in the reaction shown below?

Which of the following compounds shall not produce propene by reaction with $HBr$ followed by elimination or direct only elimination reaction?

The product $(Z)$ is:

Given below are two statements for the following reaction sequence.
Statement $I$: Compound $'Z'$ will give yellow precipitate with $NaOI$.
Statement $II$: Compound $'Q'$ has two different types of $'H'$ atoms (aromatic : aliphatic) in the ratio $1 : 3$.
In the light of the above statements, choose the correct answer from the option given below:

The double bond equivalent $(DBE)$ of cubane is: