Which of the following oxidizing reagents is used for conversion of toluene to benzaldehyde? ans. SeO2 KMnO4 O3 CrO2Cl2
Question
Which of the following oxidizing reagents is used for conversion of toluene to benzaldehyde? ans. SeO2
KMnO4
O3
CrO2Cl2
Solution
The oxidizing reagent used for the conversion of toluene to benzaldehyde is CrO2Cl2, also known as Chromyl Chloride. Here's a step-by-step explanation:
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Chromyl Chloride (CrO2Cl2) is a strong oxidizing agent that can oxidize toluene (a methylbenzene) to benzaldehyde (a form of carbonyl compound).
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The reaction takes place in the presence of a suitable solvent, such as dichloromethane (CH2Cl2).
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The methyl group (-CH3) of toluene is oxidized to a formyl group (-CHO), resulting in the formation of benzaldehyde.
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The reaction is typically performed under reflux conditions to ensure that the reaction goes to completion.
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The overall reaction can be represented as follows: C6H5CH3 + CrO2Cl2 → C6H5CHO + HCl + CrCl3
So, the correct answer is CrO2Cl2.
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