MCQ
An alkene on ozonolysis gave acetaldehyde the alkene is
- AEthylene
- BPropene
- C$2-$butene
- ✓Both $(b)$ and $(c)$
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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(figure) $\xrightarrow[CC{{l}_{4}}]{B{{r}_{2}}}(A)\xrightarrow[(ii)\,NaN{{H}_{2}}]{(i)\,alc.\,KOH}(B)\xrightarrow[(ii)\,C{{H}_{3}}-Cl]{(i)\,NaN{{H}_{2}}}(C)$