8.15 Justify giving reactions that among halogens, fluorine is the best oxidant and among hydrohalic compounds, hydroiodic acid is the best reductant.
Answer-
part(i)
Fluorine can oxidize other halogen ions. On the other hand cannot oxidize
And hence we say that fluorine is the better oxidant among halogen.
part(ii)
&
are able to reduce
but
are unable to reduce sulphuric acid.
So here we can say that &
are better reductant than
.
Again can only able to reduce
but
cannot.
Hence among hydrohalic compound hydroiodic acid is the best reductant.