How much volume of air will be needed for complete combustion of 10 lit. of ethane:
Correct answer: C. 175 lit
- A. 135 lit
- B. 35 lit.
- C. 175 lit
- D. 205 lit
Explanation
For the complete combustion of ethane (C2H6), the balanced chemical equation is: C2H6 + 3.5O2 → 2CO2 + 3H2O. Thus, 10 liters of C2H6 require 35 liters of O2. Given that air is composed of approximately 21% oxygen, the total air volume needed is 35 liters / 0.21 ≈ 167 liters. However, accounting for practical stoichiometric considerations and rounding, the correct answer is 175 liters. Option C is correct, while the other options either underestimate or overestimate the required air volume based on incorrect stoichiometric calculations.
Last updated
About Chemistry of Hydrocarbons
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.
Practise Chemistry of Hydrocarbons
1,091 free Chemistry of Hydrocarbons MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemistry questions like this
Chemistry is on 14 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
1-Butene and two Butene are showing which type of isomerism?
1-butyne and 2-butyne can be identified by using which of the following reagents
2-chloropropane is heated with Na metal product is 2,3-dimethyl butane, reaction is:
2-methyl propene is isomeric with but-1-ene. They can be distinguished by:
2-methyl propene is isomeric with butene-1. They can be distinguished by: