The neutral oxide among the following is

The products formed when gaseous $HCl$ is passed into an aqueous $Na_2SO_3$ solution are:

Identify $(P)$ and $(Q)$ in the following reaction:
$2 CH_3 Cl + Si$ $\xrightarrow[570 \ K]{\text{Cu powder}} (P)$ $\xrightarrow{H_2 O} (Q)$ $\longrightarrow \text{Straight chain polymer}$

Consider the following reaction:
$R_2SiCl_2 + H_2O \to (1) \xrightarrow{\text{polymerisation}} (2)$
Compound $(2)$ in the above reaction is:

Which of the following oxides is amphoteric?

The correct order of bond enthalpy $\left( kJ \, mol^{-1} \right)$ is :