Question
Chemistry Question on Hydrocarbons
One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44u. The alkene is
A
propene
B
1-butene
C
2-butene
D
ethene
Answer
2-butene
Explanation
Solution
2-butene is symmetrical alkene CH3−CH=CH−CH3−>[O3][Zn/H2O]2.CH2CHO Molar mass of CH3CHO is 44u.