In the following reaction sequence, the compound $C$ is $Al + N_2$ $\xrightarrow{\Delta} (A)$ $\xrightarrow{H_2O} B (ppt) + C_{(g)}$

Which of the following allotropes of phosphorus is the most stable,has a graphite-like structure,and is a conductor of electricity?

Which of the following is used in the industrial production of nitric acid by the Ostwald process?

Match the following:

$a$. Pure nitrogen	$i$. Chlorine
$b$. Haber process	$ii$. Sulphuric acid
$c$. Contact process	$iii$. Ammonia
$d$. Deacon's process	$iv$. Sodium azide or Barium azide

Which of the following is the correct option?

Aluminium is usually found in $+3$ oxidation state. In contrast,thallium exists in $+1$ and $+3$ oxidation states. This is due to

An orange solid $(X)$ on heating gives a colourless gas $(Y)$ and only a green residue $(Z)$. Gas $(Y)$ on treatment with $Mg$ produces a white solid substance. Identify the white solid substance.