The most stable hydride is

Which of the following reactions correctly represent the products formed upon heating?
$(a) \ NH_4NO_2 \xrightarrow{\Delta } N_2 + 2H_2O$
$(b) \ NH_4NO_3 \xrightarrow{\Delta } N_2O + 2H_2O$
$(c) \ Na_2CO_3 \xrightarrow{\Delta } Na_2O + CO_2$
$(d) \ NH_4Cl \xrightarrow{\Delta } NH_3 + HCl$

In $Group-13$ $(IIIA)$,$Tl$ (thallium) shows $+1$ oxidation state while other members show $+3$ oxidation state. Why?

In the following reaction,identify the nature of the product formed by the complete hydrolysis of the underlined atom at $R.T.$:
$\underline{N}F_3 + H_2O \longrightarrow \text{No reaction}$

Which of the following halides undergoes hydrolysis via an $S_{N^1}$ reaction?

With reference to protonic acids,which of the following statements is correct?