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Question: One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mas...

One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44 u. The alkene is :

A

Propane

B

1-butene

C

2-butene

D

Ethene

Answer

2-butene

Explanation

Solution

CnH2nO = 44

CnH2n = 44 – 16

CnH2n = 28

n = 2

CH3–CH=CH–CH3 →O3/Zn\overset{\quad O_{3}/Zn\quad}{\rightarrow}CH3–CH=O