Question

In which of the following all oxygens are in peroxylinkages A) HClO4 B) CrO5 C) H2S2O8 D) K3CrO8

Answer 1

Answer:

B

Explanation

because Cr unable to show +10 oxidation state so it have conform peroxy linkage it have butterflies structure

Answer 2

Answer:

Explanation:

it is possible in oxy acids

when oxidation state is greater than max oxidation state then there will  be peroxy linkages in the compound  

oxidation no. of cl in hclo4 = 7

oxidation no. of s in h2s2o8 = 7

if you see oxidation no.of sulphur is greater oxidation its max oxidattion no. so  

h2s2o8 has peroxy linkages and cro5