Question

Today's Question:-

1.) What is methane? Draw its electron dot structure. Name the types of bonds formed this compound.
Why are such compounds:
(i) poor conductors of electricity?
(ii) have low melting points? What happens when this compound burns in oxygen.

From chapter:-
Carbon and it's compounds.
Class - 10
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Answer 1

Methane is a colorless, odourless and highly flammable gas which is the main component of natural gas.

The covalent bonds are present in between four hydrogen atoms and the single carbon atom at the centre of the molecule.

1. Methane is a poor conductor of electricity because in methane all bonds are covalent bonds and therefore no free electrons are present in the molecule that can help in conducting electricity.
2. Covalent compounds have low intermolecular forces of attraction between the molecules and thus show low melting and boiling points. Since methane is also a covalent compound thus methane has very low melting and low boiling point.When methane is burned in the presence of oxygen, it forms CO2