Unit Processes MCQ Set 1 1. In Sulfoxidation with SO2 and O2, what is also added? a) Acetic anhydride b) Acetic acid c) Phenol d) None of the mentioned AnswerAnswer: a [Reason:] Sulfoxidation, this reaction is chemically quite similar to sulfochlorination, except that acetic anhydride is added. 2. Aldehyde reacts with bisulfide to produce what?…