What volume of oxygen at STP required to burn 500 dm3 of ethene?
Correct answer: C. 1500 dm3
- A. 500 dm3
- B. 1000 dm3
- C. 1500 dm3
- D. 2000 dm3
Explanation
1 mole of ethene reacts with 3 moles of O2 to burn completely. C2H4 + 3O2 → 2CO2 + 2H2O So, 500dm^3 will react with 1500 dm^3 (500 × 3 =1500) of oxygen. Hence, option C is correct
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Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.
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