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Propanal and Pentan-3-one Are the Ozonolysis Products of an Alkene? What is the Structural Formula of the Alkene? - Chemistry

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Answer in Brief

Propanal and pentan-3-one are the ozonolysis products of an alkene? What is the structural formula of the alkene?

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Solution

As per the given information, propanal and pentan-3-one are the ozonolysis products of an alkene. Let the given alkene be ‘A’. Writing the reverse of the ozonolysis reaction, we get:

The products are obtained on the cleavage of ozonide ‘X’. Hence, ‘X’ contains both products in the cyclic form. The possible structure of ozonide can be represented as:

Now, ‘X’ is an addition product of alkene ‘A’ with ozone. Therefore, the possible structure of alkene ‘A’ is:

\[\begin{array}{cc}
\ce{H3C - CH2 - CH = C - CH2 - CH3}\\
\phantom{.......}|\\
\phantom{..............}\ce{CH2CH3}
\end{array}\]

Concept: Chemical Properties of Alkenes
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APPEARS IN

NCERT Chemistry Part 1 and 2 Class 11
Chapter 13 Hydrocarbons
EXERCISES | Q 13.7 | Page 405
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