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11 grade chemistry others

How do you convert the following? Toluene to Benzoic acid

Profile image of Aniket Singh
1 Year agoGrade
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1 Answer

Profile image of Askiitians Tutor Team
1 Year ago

To convert toluene to benzoic acid, you need to perform a two-step reaction known as oxidation. Here's a general outline of the process:

Step 1: Oxidation of Toluene to Benzoic Acid:

Start with toluene (C₇H₈), which is a hydrocarbon.
Use an oxidizing agent, such as potassium permanganate (KMnO₄), chromium trioxide (CrO₃), or potassium dichromate (K₂Cr₂O₇), to oxidize the toluene molecule.
In the presence of a suitable solvent and under controlled reaction conditions, the oxidizing agent will add oxygen atoms to the toluene ring, converting it into an intermediate compound called benzyl alcohol (C₇H₈O).
C₇H₈ + [O] → C₇H₈O (benzyl alcohol)
Step 2: Oxidation of Benzyl Alcohol to Benzoic Acid:

Take the benzyl alcohol (C₇H₈O) obtained from the first step.
Perform a second oxidation reaction using a strong oxidizing agent, such as potassium permanganate (KMnO₄) or chromic acid (H₂CrO₄).
This oxidation will convert the benzyl alcohol into benzoic acid (C₇H₆O₂) by adding another oxygen atom to the molecule.
C₇H₈O + [O] → C₇H₆O₂ (benzoic acid)
Note: The specific reaction conditions, solvents, and oxidizing agents may vary depending on the experimental setup and desired yield. It is important to consult a reliable source or a qualified chemist for detailed instructions and safety precautions before attempting any chemical reactions.