Periodic Table

Purification and Uses of zinc: Purification Zinc is purified by electrolytic refining. In this process, Impure Zinc is anode and cathode is of pure thin…

Zinc: The ancient used an alloy of Zn and Cu not very different from brass without knowing its actual composition. Zinc has been known in…

Formation and structure of Boron Trichloride (BCI3) molecule: The electronic configuration of boron (5) is 1s2 2s2 2px1 2py0 2pz0. When one electron is transferred…

sp2 hybridization occurs in Boron Trichloride BCl3 molecule. The hybridization in boron trichloride is sp2 hybridization. This accounts for the aptitude of boron to bond…

Properties of Chromium (Cr): Physical Properties: The metal is silvery white and crystalline. It is very hard and brittle It melts at 2113K. Chemical Properties:…

The method used to extract copper from its ores depends on the nature of the ore. Sulphide ores such as chalcopyrite are converted to copper…

Electrolytic Refining method is used to get metal of high degree of purity. In the electrolytic refining of copper, the impure copper is made from…

Chrome plate continues to take part in an significant role in a number of key manufacturing areas and Poeton expect this to continue well into…

Chromic oxide is mixed with powdered Aluminium in the ratio 3:1 and is placed in a large fire clay crucible. A mixture of barium peroxide…

Properties of Copper: Physical properties: Copper is a reddish brown metal, with high lustre, high density and high melting point 1356°C. Chemical Properties: (i) Action…