What happens when carbon and its compounds are burned in oxygen?

H₂ gas is released.

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CO₂ gas is released.

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SO₂ gas is released.

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O₂ gas is released.

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Solution

The correct option is B
CO₂ gas is released.

Carbon and its compounds burn in oxygen to give carbon dioxide along with heat and light.Methane and ethane burn in air with a bluish non-sooty flame to form carbon dioxide and water vapour.A large amount of heat is also given out, so alkanes are good gaseous fuels.

E.g. $C + O_{2} \to C O_{2} + h e a t + l i g h t$

$C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O + h e a t + l i g h t$

$C_{2} H_{5} O H + 3 O_{2} \to 2 C O_{2} + 3 H_{2} O + h e a t + l i g h t$

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