$CH_3-C \equiv C-CH_3 \xrightarrow{\text{Cold } KMnO_4} (A)$
Product $(A)$ is:
Product $(A)$ is:
- A$CH_3-CH_2-C(=O)-CHO$
- B$CH_3-C(=O)-C(=O)-CH_3$
- C$CH_3-CH(OH)-CH(OH)-CH_3$
- D$OHC-CH_2-CH_2-CHO$
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