The solubility of silver broomide in hypo solution involves the formation of:

\({\mathrm{Ag}}_{2}{\mathrm{SO}}_{3}\)

\({\mathrm{Ag}}_{2}{\mathrm{S}}_{2}{\mathrm{O}}_{3}\)

\({\mathrm{Ag}}^{+}\)

\({\mathrm{NH}}_{4}^{+}\)