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STD 11 - 9. Hydricarbon — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 9. Hydricarbon4 Marks
MCQ
An alkene on ozonolysis gave acetaldehyde the alkene is
  • A
    Ethylene
  • B
    Propene
  • C
    $2-$butene
  • ✓
    Both $(b)$ and $(c)$
✓

Answer

Correct option: D.
Both $(b)$ and $(c)$
d
Propene is that alkene which gives the mixture of acetaldehyde and formaldehyde on ozonolysis.

The ozonolysis of $2$-butene leads to a primary ozonide. This primary ozonide decomposes into acetaldehyde and syn and anti acetaldehyde oxide.

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