f-Block elements (inner transition elements) i.e. Lanthanides and Actinides
f-Block Elements: The f-block elements are those which have partly filled f-sub-shells of the third to the outermost (antepenultimate) i.e. … Read more
d and f- Block Elements
Preparation Properties and Uses of KMnO4 and K2Cr2O7
Potassium Permanganate, KMnO4: Preparation: Potassium permanganate is prepared from pyrolusite (MnO2). Pyrolusite is fused with caustic potash (KOH) or K2CO3 … Read more
d- Block (or Transition element) elements
d – Block elements: On the basis of electronic configurations, the elements have been broadly classified into four blocks namely … Read more