Zn²⁺ ion is colourless because:
The coordination number of cobalt in Na₄[Co(C₂O₄)₃] is:
An example of a bidentate ligand among the following is:
A highly paramagnetic ion among the following is:
The highest oxidation state of chromium is:
The element is not used for electroplating:
The steel is typically used in making Fry pans:
The step which involved in the extraction of copper from chalcopyrite ore in the elimination of gangue impurities is:
5d series of outer transition elements is:
Oxidation of manganese in air gives the following oxide:
