Explanation
An organic compound which burns with a sooty flame must be aromatic compound and Brady’s reagent is often used to qualitatively test for carbonyl groups associated with aldehydes and ketones. Hence the compound is acetophenone.
Each mole of an aldehyde requires 0.5 mole of O2 for oxidation to the corresponding acid, i.e., RCHO + 1/ O2 →RCOOH
Tollen’s reagent, Fehling’s solution and Benedict’s solution all oxidise aldehydes.
Acidic KMnO4 and k2Cr2O7 oxidises toluene to benzoic acid but CrO2Cl2 oxidises it to benzaldehyde-Etard reaction.
Tollen’s reagent is ammoniacal silver nitrate.
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