Benzaldehyde can be prepared by oxidation of toluene by [BHU 1986]

1.	Benzaldehyde can be prepared by oxidation of toluene by [BHU 1986]
A.	Acidic \[KMn{{O}_{4}}\]
B.	\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]
C.	\[Cr{{O}_{2}}C{{l}_{2}}\]
D.	All of these
Answer» D. All of these

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Benzaldehyde can be prepared by oxidation of toluene by [BHU 1986]

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