Propose a possible synthesis of benzaldehyde starting from toluene and any inorganic or organic compounds

Explanation:

Benzaldehyde can be prepared from toluene through Etard reaction .In this reaction benzaldehyde is treated with reagent chromyl chloride ( CrO₂Cl₂ ) which oxidises it to benzaldehyde.

to form benzaldehyde .

                      CrO₂Cl₂

C₆H₅CH₃ >  C₆H₅CHO

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