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...

Werner’s  co-ordination theory . Alfred Werner’s expressed his famous co-ordination theory about the chemical bonding in complex   co...

Double salts definition in co-ordination chemistry  When two or more simple salts in stoichimetric proportions are attached to each ...

Benzyl alcohol to benzoic acid change Benzyl   alcohol   is a aromatic primary alcohol with molecular formula C 6 H 5 CH 2 OH. It ...

Why is benzoic acid a weak acid ? In case of benzoic acid, the carboxylic acid group ( –COOH ) is directly attached to the sp2 hybri...

                                Benzoic acid definition in chemistry  The most simplest aromatic mono carboxylic acid with molecu...

Pseudohalogen compounds and Pseudohalides  There are some uni-negative groups or ions which exhibits certain similar characteristics ...

Halogen family elements According to modern periodic table , group 17 th consist of five elements , namely , fluorine, chlorine, br...

Halogen acids strength  When halogen   elements are reacts with hydrogen gas, the compound produce, are known as  halogen acids  o...

Phenol definition in organic chemistry   The hydroxyl derivatives of aromatic hydrocarbon which contain hydroxyl group   are known as...

What is aspirin? Aspirin is a very important organic as well as aromatic compound . Aspirin is also known as acetyl salicylic acid .Th...

Which one is more basic between aniline and 4-bromo aniline? Which one is more basic between aniline and 4-bromo aniline that depend...

What is Friedel crafts acylation? There are few chemical reactions, where  benzene or benzenoid   compounds react with  acyl chloride...

Why pyridine does not exhibits resonance? Pyridine is a hetero cyclic aromatic compound. It has three alternating double bond.  ...

Why phenol or benzenol is acidic ? Oxygen is more electronegative than hydrogen element . So, O – H bond of phenol is polar . Besides t...