Question
Chemistry Question on Some basic concepts of chemistry
6 litres of an alkene require 27 litres of oxygen at constant temperature and pressure for complete combustion. The alkene is:
A
Ethene
B
Propene
C
1-Butene
D
2-Butene
Answer
Propene
Explanation
Solution
CnH2n + 1.5nO2 → nCO2 + nH2O
6X1.5n= 27
n= 3
So , the correct answer is (B) : Propene