Question

Highest heat of combulsion CH4 , C2H4 C2H6 C2H2 gases are 212.8,-373,-337,-310.5kcal resp.at same temp.the best fuel among these gases

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Answer 1

methane i.e. CH4

i hope this helps you

Answer 2

Answer:ch4

Explanation: On solving we get,

Enthalpy of combustion (ch4)= -890.7 kJ

Enthalpy of combustion (c2h6)= -1560.4 kJ

Since ch4 releases more energy therefore it is better fuel.