(A) H2S2–––O8 contains peroxy linkage.
The oxidation number of the underlined atom is 6
H2O2 is the hydrolysis product
It is named as Marshall's acid or peroxodisulphuric acid.
(B) Cr–––O5 Contains peroxy linkage.
The oxidation number of the underlined atom is 6
(C) H2S––O5 contains peroxy linkage.
The oxidation number of the underlined atom is 6
H2O2 is the hydrolysis product
(D) In the compound K2Cr–––O4 , the oxidation number of the underlined atom is 6
(E) (NH3)3IVCr–––O4 contains peroxy linkage.