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Posts Tagged ‘manufacture of sulphuric acid’

Oxides of Sulphur

By admin • Mar 17th, 2008 • Category: Uncategorized

OXIDES OF SULPHUR

Sulphur forms a number of oxides, these are

OXIDE

FORMULA

CHARECTERISTIC PROPERTY

Sulphur suboxide

S2O

Colourless gas

Sulphur monoxide

SO

Colourless gas

Sulphur sesquioxide

S2O3

Green crystalline solid

Sulphur dioxide

SO2

Colourless gas

Sulphur trioxide

SO3

Volatile […]


Oxides of Nitrogen 2

By admin • Mar 17th, 2008 • Category: Uncategorized

OXIDES OF NITROGEN
DINITROGEN TRIOXIDE
Dinitrogen trioxide is a very unstable substance and exists as such only in a solid form. In the liquid state it dissociates into NO and NO2.
PREPARATION
When a mixture of NO and NO2 is cooled, it freezes to give dinitrogen trioxide, which is a blue coloured solid.
NO + NO2 è N2O3
CHEMICAL PROPERTIES
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