Which of the following reagents cannot be used to oxidize primary alcohols to aldehydes?
- A$CrO_3$ in anhydrous medium
- B$KMnO_4$ in acidic medium
- CPyridinium chlorochromate
- DHeating in the presence of $Cu$ at $573 \ K$
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What are $X$ and $Y$ in the following reactions?
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$(CH_3)_3C-OH \xrightarrow{Cu/573 \ K} Y$
$R-CH_2OH \xrightarrow{Cu/573 \ K} X$
$(CH_3)_3C-OH \xrightarrow{Cu/573 \ K} Y$
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