Purification
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To separate sublimated compounds from non sublimable impurities which technique is used
Sublimation
Which technique is based on diffrence in solubility of the compound and impurities
Crystallization
Technique used to separate volatile components from non volatile impurities
Distillation
Technique used to separate liquids having sufficient diffrence in their boiling point
Distillation
Technique used when diffrence in boiling point of the compounds is not much
Fractional distillation
Each successive Condensation and vaporization unit in fractionation column is called
Theoretical plate
The technique used to remove substance which are steam volatile and immiscible with water
Steam distillation
An example of steam distillation is
Anneline water mix
Diffrential Extraction is carried out in
Separatory funnel
commonly used absorbent are
Silica gel and alumina
The types of adsorption chromatography is
Coloumn chromatography and thin layer chromatography
Ninhydrin is used for detection of
Amino acids
Stationary phase in paperchromatogaphy is
Water trapped in chromatogram paper
Paper chromatography is a type of
Partition chromatography
Carbon and hydrogen are detected by heating the component with
Copper(II) oxide
Why is sodium metal used in lassaignes test
To convert covalent form into Ionic form
The oxidation state of Outer Fe in Prussian blue is
3
The oxidation state of inner Fe in Prussian blue is
2
Hexacyanido ferrate is
Fe4[ Fe (CN)6]3
For testing of Sulphur we treat the sodium fusion extract with sodium nitroprusside
[ Fe(CN)5 NOS ]4- ( violet colour)
Blood red sodium thiocyanate is
[ Fe (SCN)] 2+
If Excess sodium is used the thiocyanate will
Decomposes to yield Cyanide and sulphide
The formula of ammonium phosphomolybdate is
(NH4)3 PO4 .12 MoO3 [Yellow ppt]