Name the reagents used in the following reactions:(i) Oxidation of a primary alcohol to carboxylic acid.(ii) Oxidation of a primary alcohol to an aldehyde.(iii) Bromination of phenol to 2,4,6-tribromophenol.(iv) Benzyl alcohol to benzoic acid.(v) Dehydration of propan-2-ol to propene.(vi) Butan-2-one to butan-2-ol
Question
Name the reagents used in the following reactions:(i) Oxidation of a primary alcohol to carboxylic acid.(ii) Oxidation of a primary alcohol to an aldehyde.(iii) Bromination of phenol to 2,4,6-tribromophenol.(iv) Benzyl alcohol to benzoic acid.(v) Dehydration of propan-2-ol to propene.(vi) Butan-2-one to butan-2-ol
Solution
(i) The reagent used in the oxidation of a primary alcohol to a carboxylic acid is Potassium Dichromate (K2Cr2O7) in the presence of dilute sulfuric acid (H2SO4).
(ii) The reagent used in the oxidation of a primary alcohol to an aldehyde is Pyridinium Chlorochromate (PCC).
(iii) The reagent used in the bromination of phenol to 2,4,6-tribromophenol is Bromine water (Br2/H2O).
(iv) The reagent used in the conversion of benzyl alcohol to benzoic acid is Potassium Permanganate (KMnO4) or Nitric Acid (HNO3).
(v) The reagent used in the dehydration of propan-2-ol to propene is concentrated Sulfuric Acid (H2SO4) or concentrated Phosphoric Acid (H3PO4).
(vi) The reagent used in the reduction of butan-2-one to butan-2-ol is Sodium Borohydride (NaBH4) or Lithium Aluminium Hydride (LiAlH4).
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