(i) Write the electronic configuration of `Cu^(+)` and `Cu^(2+)` ions (Z=29). State which one is more paramagnetic.
(ii) What happens when ( give equations only ).
(a) In acidic medium , `KMnO_(4)` reacts with `FeSO_(4)`.
(b) In basic medium, `KMnO_(4)` reacts with enthylene.