Silver nitrate is supplied in coloured bottles because it is

Which of the following represents the correct order of oxidising power of halogens in water?

Select the correct set of species which cannot react with water but react with $NaOH$:
$(i) \, NO_2$ $(ii) \, P_4$ $(iii) \, Al$ $(iv) \, I_2$

The reaction of $HClO_3$ with $HCl$ gives a paramagnetic gas,which upon reaction with $O_3$ produces

What is the correct order of thermal stability for halogen acids?

The correct structure of tribromooctaoxide is