$Cl_{2}O_{7}$ is the anhydride of

Which of the following is a correct covalent oxide of iodine?

Which of the following reagents does not oxidize $HCl$?

The weakest acid $HX$ $(X = F, Cl, Br, I)$ is

The correct order of acidity of $HClO$, $HBrO$, and $HIO$ is

All the compounds listed in Column $I$ react with water. Match the result of the respective reactions with the appropriate options listed in Column $II$.

Column $I$	Column $II$
$(A). (CH_3)_2 SiCl_2$	$(p).$ Hydrogen halide formation
$(B). XeF_4$	$(q).$ Redox reaction
$(C). Cl_2$	$(r).$ Reacts with glass
$(D). VCl_5$	$(s).$ Polymerization
	$(t). O_2$ formation