Topic Content:
- Methane (CH4)
- Laboratory Preparation of Methane
- General Methods of Preparation of Alkanes
- Industrial Preparation of Methane
- Physical Properties of Methane
- Chemical Properties of Methane
- Uses of Methane
- Test for Alkanes
Alkane forms a homologous series of saturated hydrocarbons. They have the general molecular formula of CnH2n+2 (where n = 1, 2, 3…). All the carbon atoms in alkanes are tetrahedrally bonded. The carbon atoms are sp3 hybridized. They are chemically more stable compared to alkenes and alkynes.
Methane (CH4):
Hybridization = sp3
Bond angle = 109.5°
Laboratory Preparation of Methane:
Methane gas is prepared in the laboratory by heating sodium ethanoate (sodium acetate) with soda-lime as shown in the diagram for the laboratory set-up above.
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