[Co(en)2Cl2 ]+ shows geometrical as well as opticalisomerism.
Sodium thiosulphate is used in photography because of its
In the metallurgy of iron, when limestone is added to the blastfurnace, the calcium ion ends up in
Zinc-copper couple that can be used as a reducing agent isobtained by
Zinc-copper couple is obtained by coating zinc with copper.