Waste Disposal Procedure IV. Tollens' Test: Silver nitrate, ammonium hydroxide, glucose, ribose, 2-propanone, 2-butanone. Place in the beaker marked "Tollen's Test" Questions: 1. Based on the results of the Benedict's test, compare the ability of aldehydes and ketones to be oxidized. (That is, to reduce the copper ions in Benedict's reagent.) 2. Based on the results of the Tollens' test, compare the ability of aldehydes and ketones to be oxidized. (That is, to be oxidized by the silver ions in the Tollens' reagent.) 3. Describe the surface of the watch glass that you heated Tollen's reagent with glucose. 4. Write an equation for the reaction of Tollens' reagent with methanal. Draw all isomers of C5H19O that contain a carbonyl group