The oxidation of 2:4: 4-trimethylpentene-1 [α–diisobutylene] [I] by chromium tri-oxide dissolved in acetic anhydride yields a neutral oil containing largely 2: 4: 4-trimethylpentan-1: 2-epoxide ...

On drastic oxidation with chromic acid, it gives a carboxylic acid (B) having molecular formula C 7 H 6 O 2. Identify the compounds (A) ... Benzoic acid and Phenol. Answer: (i) ...