Air as an oxidizing reagent ( demonstration) place 10 drops of benzaldehyde on a watch glass in the hood and 10 drops of benzaldehyde in a small tighly-stoppered test tube. Observe every half hour for 1 hours. Write the reaction that occurred. Hint: Benzoic acid is a white, crystalline solid.

D. Use of air as an oxidizing agent Observation 30 minutes 60minutes 90 minutes Stoppered test tube Open sample D. Use of air as an oxidizing agent Observation 30 minutes 60minutes 90 minutes Stoppered test tube Open sample