Q. An alkene gives two moles of $HCHO$, one mole of $CO_{2}$ and one mole of $CH_{3}COCHO$ on ozonolysis. What is its structure?
A) $CH_{2} = C = CH - CH_{2} - CH_{3}$
B) $CH_{3}$
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$CH_{2} = CH - CH - CH = CH_{2}$
C) $CH_{2} = C = C - CH_{3}$
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$CH_{3}$
D) $CH_{3}$
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$CH_{2} = C = C - CH = CH_{2}$
Explanation
(d)
On ozonolysis,
$CH_{3}$
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$CH_{2} = C = C - CH = CH_{2}$ gives two moles of $HCHO$, one mole of $CO_{2}$ one mole of $CH_{3}COCHO$.
$CH_{3}$
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$CH_{2} = C = C - CH = CH_{2}\underset{Zn}{\overset{\frac{O_{3}}{H_{2}O}}{\rightarrow}}$
$2CH_{2}O + CO_{2} + CH_{3}COCHO$
(HCHO)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.