In the Birkeland-Eyde process,the raw material used is:

What are the products obtained when ammonia is reacted with excess chlorine?

The $+1$ oxidation state in group $13$ and $+2$ oxidation state in group $14$ become more stable with increasing atomic number. Explain.

The total number of paramagnetic gaseous products formed in all the following reactions $[A + B + C ]$:
$(A)\ NH_4 NO_3 \xrightarrow{\Delta} \text{Products}$
$(B)\ 3 NaNO_2 + 3 H_2 SO_4 \longrightarrow \text{Products}$
$(C)\ Pb(NO_3)_2 \xrightarrow{673 \ K} \text{Products}$

When phosphine is passed through an aqueous solution of copper sulphate,the product produced is:

Draw the structures of different oxoacids of phosphorus and indicate the oxidation state of phosphorus,characteristic bonds,and their numbers in each.