Why is TlCl more stable than TlCl 3 molecule? ‘Tl’ is a group 13 th or p-block heavier element . The outer electronic configuration...

·         Inert pair effect definition in chemistry Inert pair effect is generally exhibited by the P-block elements. There are som...

·         What is polar covalent bond ? If a covalent bond is formed by sharing of electron between two dissimilar or different atoms...

Octet rule -definition in covalent molecules .   Mostof the elements [ except H, Li , B etc ] have a tendency to attain eight elec...

Polarization meaning in chemistry Polarization in chemistry  means  deformation of  symmetric electron charge  cloud of anion by catio...

Fajan’s rule definition in chemistry  It is a common experience that many times an ionic bond has some covalent character and a cova...

Markownikoff’s  rule in chemistry   When an addendum (halogen acids) is added to an asymmetric alkene , the negative part of the ad...

VSEPR  theory and shape of covalent molecules  The   geometry  of  covalent molecules  depends   upon the number and arrangement o...

Lanthanide contraction definition in chemistry In case of lanthanide e lements , it has been experimentally found that with increasin...