The oxy acid(s) of Shaving -S-S-bond are/is

The oxoacid of sulphur containing S=S bond is ___________ acid.

The oxoacid of sulphur containing S=S bond is ___________ acid.

Which of the following oxo acid(s) of sulphur have S - S bond ?

Which of the following oxo acid(s) of sulphur have S - S bond ?

The acid containing S-O-O-S bond is

Consider the following sequence of reactions, if A is sulphuric acid, then give the answer of following questions Q. Which of the following oxy acid is having S-O-S linakge?