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Question
What happens when ethene burns in the air if the supply of air is in excess?
What happens when ethene burns in the air if the supply of air is in excess?
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Solution
The correct option is B Carbon dioxide is produced
Ethene burns in air with a sooty flame producing a large amount of energy. However, if the supply of air is in excess, it burns with a pale blue flame to produce carbon dioxide, water and a large amount of heat.
C2H4+3O2→2CO2+2H2O+Heat
Carbon dioxide is produced
Ethene burns in air with a sooty flame producing a large amount of energy. However, if the supply of air is in excess, it burns with a pale blue flame to produce carbon dioxide, water and a large amount of heat.
C2H4+3O2→2CO2+2H2O+Heat
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