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

propane

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1-butene

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2-butene

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ethene

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Solution

The correct option is C 2-butene
One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44g/mol. The alkene is 2-butene.
Both the cis and trans form of 2-butene on ozonolysis give 2 moles of acetadehyde with the molecular mass of 44g/ mol. In this process of ozonolysis, ozone reacts with alkenes to break the double bond and forms two carbonyl groups. Hence, the correct answer is option (c).

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