Why used d-block element rather than p-block element?
Chemistry

Why used d-block element rather than p-block element?

Catalyst: Catalyst is the substance which does not directly participate in the reaction but present in the reaction and increases or decrease the reaction rate.…
What is Stereoisomerism?
Chemistry

What is Stereoisomerism?

Consider two compounds containing the same ligands attached to the same central metal ion, but the arrangement of ligands in space about the central metal…
Explain Postulates of Werner’s Theory
Chemistry

Explain Postulates of Werner’s Theory

Brief concepts of Werner’s theory of coordination compounds Alfred Werner studied the structure of coordination complexes and put forward his ideas in the year 1893…
Describe Werner’s Theory
Chemistry

Describe Werner’s Theory

Alfred Werner (1866-1919) French born Swiss chemist founded the modern theory on coordination compounds. His theory and pioneering experimental work on metal complexes won for…
Defects of Valence Bond Theory
Chemistry

Defects of Valence Bond Theory

Valence bond theory, primarily the work of Linus Pauling regarded bonding as characterized by the overlap of atomic or hybrid orbitals of individual atoms. Although…
Valence Bond Theory (VB Theory)
Chemistry

Valence Bond Theory (VB Theory)

The postulates of valence bond theory (VB Theory) 1) The central metal atom/ion makes available a number of vacant orbitals equal to its coordination number. 2)…
Define Geometrical or Cis-trans Isomerism
Chemistry

Define Geometrical or Cis-trans Isomerism

Geometric isomers are possible for both square planar and octahedral complexes, but not tetrahedral. In a cis-isomer two identical (or) similar groups are adjacent to…
Explain Comparison of Lanthanides and Actinides
Chemistry

Explain Comparison of Lanthanides and Actinides

Lanthanides and Actinides both show close resemblance because these involve filling of f-subshells. Both have colored ions, low electronegativity, high re-activity and show magnetic properties.…
Describe Uses of Lanthanides and Actinides
Chemistry

Describe Uses of Lanthanides and Actinides

Use of lanthanides A pyrophoric alloy which contains cerium, lanthanum and Neodymium; iron; aluminium; calcium, carbon and silicon is used in cigarette lighters, toys, flame…
How to Extract of Lanthanides from Monazite Sand?
Chemistry

How to Extract of Lanthanides from Monazite Sand?

Extraction of Lanthanides from Monazite sand The method used for extraction of lanthanides from monazite sand consists of the steps which have been shown in…
Load More