Question

explain the combustion and substitution reactions of carbon compounds by taking Methane as example write down the chemical equation for the above reactions can Methane be subjected to addition reaction give reason​

Answer 1

Answer:

• Methane is a Single Carbon Alkane. It is the first member of the homologous serious of alkanes.
• Formula - CH4
• It undergoes Combustion being a carbon compound as well as Substitution being a saturated Hydrocarbon.
• It cannot undergo Addition reaction.

Combustion reaction:

CH4 + 2O2 → CO2 + 2H2O + Heat and Light

Substitution reaction:

Methane undergoes substitution reaction in the presence of sunlight.

Chlorination of methane can be written as -

1. CH4 + Cl2 → CH3Cl + HCl
2. CH3Cl + Cl2 → CH2Cl2 + HCl
3. CH2Cl2 + Cl2 → CHCl3 + HCl
4. CHCl3 + Cl2 → CCl4 + HCl

Can Methane be subjected to Addition reaction?

No, Methane being a saturated Hydrocarbon cannot add more hydrogen to its compound.

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Answer 2

Combustion of methane

CH4 + 2O2 ------> CO2 + H2O + HEAT AND LIGHT

Substitution of methane

CH4 + Cl2 ----> CH3Cl + HCl (only in the presence of sunlight)

No. Methane cannot be subjected to addition reaction as addition reaction is only applicable to unsaturated hydrocarbons, whereas methane is a saturated hydrocarbon.