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7 Organic chemistry

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Question 46
H

Which equation for the complete combustion of ethane is balanced?

[1]
A

2C2H6+5O2→4CO2+6H2O2\text{C}_2\text{H}_6 + 5\text{O}_2 \rightarrow 4\text{CO}_2 + 6\text{H}_2\text{O}2C2​H6​+5O2​→4CO2​+6H2​O

B

C2H6+3O2→2CO2+3H2O\text{C}_2\text{H}_6 + 3\text{O}_2 \rightarrow 2\text{CO}_2 + 3\text{H}_2\text{O}C2​H6​+3O2​→2CO2​+3H2​O

C

2C2H6+7O2→4CO2+6H2O2\text{C}_2\text{H}_6 + 7\text{O}_2 \rightarrow 4\text{CO}_2 + 6\text{H}_2\text{O}2C2​H6​+7O2​→4CO2​+6H2​O

D

C2H6+4O2→2CO2+3H2O\text{C}_2\text{H}_6 + 4\text{O}_2 \rightarrow 2\text{CO}_2 + 3\text{H}_2\text{O}C2​H6​+4O2​→2CO2​+3H2​O

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7 Organic chemistry Questions

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