A) acidified\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]
B) acidified \[KMn{{O}_{4}}\]
C) alkaline \[KMn{{O}_{4}}\]
D) pyridinium chlorochromate
E) \[Cr{{O}_{3}}\]
Correct Answer: D
Solution :
For the conversion of primary alcohol into aldehyde with the same number of carbon, the most suitable reagent is pyridinium chloro chromate (PCC). \[R\,C{{H}_{2}}OH\xrightarrow[{}]{PCC}RCHO\] Note: PCC is the mixture of pyridine,\[Cr{{O}_{3}}\]and \[HCl\]in 1:1:1 ratio.
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