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

What is methane? Draw its electron dot structure. Name the type of bonds formed in this compound. Why are such compounds:

(i) poor conductors of electricity ? and 

(ii) have low melting and boiling points ? What happens when this compound burns in oxygen ?

 

 

 

 
 
 
 
 

Answers (1)

Methane is a hydrocarbon formed by the combination of carbon with hydrogen. Its molecular formula is CH_{4} . It is the main greenhouse gas. The type of bond formed in methane is covalent bond.

 

  1. Covalent bonds are poor conductors of electricity because covalent bonds are formed by sharing of electrons. They don't have a free electron that is required for electricity transfer (electricity is the flow of free electrons).Thus, they are bad conductors but ionic compounds are good conductor.
  2. Covalent compounds have low melting and boiling points because of weak forces of attraction between the binding molecules. Thus, less energy is required to break the force of bonding. Therefore covalent compounds have low melting and boiling point. When this compound burns in oxygen, then combustion reaction takes place.

        CH_{4}+O_{2}^{--}\rightarrow CO_{2}+H_{2}O+Heat+Light

           

Posted by

Sumit Saini

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