Question

The reagent most suitable for converting a primary alcohol into an aldeyde is
A. `HNO_(3)`
B. `KMnO_(4)` and `NaOH`
C.
D. `K_(2)Cr_(2)O_(7)` and `H_(2)SO_(4)`

Answer 1

Correct Answer - C
The oxidant pyridinium chlorochromate `(PC C)` , made by mixing equimolar amounts of `CrO_(3),HCl` and pyridine , is used to oxididize a `1^(@)` alcohol to an aldehyde. It is soluble in `CH_(2)Cl_(2)` and other stable to further oxidation.