Question

Write chemical equation of combustion of fuel in CNG buses

Answer 1

CNG is compressed natural gas. Natural gas is basically methane (CH​4). In combustion, hydrocarbon is burnt in excess of air to form carbon dioxide and water. The combustion reaction of natural gas is shown below :
CH4(g) + 2O2(g) → CO2 (g) + 2H2O (l)
Heat is released during the aove reaction and this heat is utilised to generate electricity

Answer 2

Answer:

Fuel gas consisting of methane-rich gasoline is known as compressed natural gas.

Explanation:

• The main component of CNG is methane CH4.
• When methane is combusted, carbon dioxide and water is produced
• The chemical equation is CH₄ + 2O₂ ---> CO₂+ 2H₂O
• A fuel and an oxidant, typically atmospheric oxygen, engage in a high-temperature exothermic redox reaction known as combustion or burning, which results in the production of oxidised, frequently gaseous products in a mixture known as smoke.
• Methane makes up the majority of natural gas, which is an odourless gaseous combination of hydrocarbons.
• Natural gas is compressed to less than 1% of its volume at typical atmospheric pressure to create compressed natural gas (CNG).

Combustion of CNG produced carbon dioxide and water vapour.

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