Carbon tetrachloride, CCl4, (i.e. Tetrachloromethane), is
prepared by the action of
chlorine on carbon disulphide in the presence of iodine,
which acts as a Catalyst.
CS2 + Cl2 ==> CCl4 + S2Cl2
Carbon tetrachloride may also be prepared by the
free radical substitution of the hydrogen atoms of
methane by chlorine.
CH4 + 4 Cl2 ==> CCl4 + 4 HCl
Properties of Carbon Tetrachloride
Carbon tetrachloride is
- a colourless volatile non-flammable liquid with
a characteristic odour,
- Melting Point : -23 degC
- Boiling Point : 76.8 degC
- Relative Density : 1.586
- is insoluble in water,
- is soluble in many organic solvents, including ethanol
- is a good solvent for waxes, lacquers, and rubbers and
the main industrial use is as a solvent.
The bonding in carbon tetrachloride is covalent, as in Methane.
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