Chemistry - Complete P-block Question with Solution | TestHub

The total number of compounds having at least one bridging oxo group among the molecules given below is
${\mathrm{N}}_2{\mathrm{O}}_3, {\mathrm{N}}_2{\mathrm{O}}_5, {\mathrm{P}}_4{\mathrm{O}}_6, {\mathrm{P}}_4{\mathrm{O}}_7, {\mathrm{H}}_4{\mathrm{P}}_2{\mathrm{O}}_5, {\mathrm{H}}_5{\mathrm{P}}_3{\mathrm{O}}_{10}, {\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_3, {\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_5$