Identify the monomers used in the preparation of Novolac.

The correct statement regarding $X$ and $Y$ in the following set of reactions is:
$nCH_2=CH_2 \xrightarrow[(C_2H_5)_3Al, TiCl_4]{333-343 \ K, 6-7 \ atm} Y$
$nCH_2=CH_2 \xrightarrow[(C_6H_5COO)_2]{350-570 \ K, 1000-2000 \ atm} X$

$Zinc$ acetate - $antimony$ trioxide catalyst is used in the preparation of which polymer?

Identify the catalyst used in the manufacturing of $HDP$.

Terylene is formed by the polymerization reaction of terephthalic acid with .........

Nylon is formed when a dicarboxylic acid is treated with a