Reaction of Aldehydes and Ketones

Reaction of Aldehydes And Ket onenesss Objective * Investigate some of the properties and characteristic reactions of aldehydes and ketones. * call the practicable group in two unknown merges by dint of their chemic reactivity. A. DNP mental visitation for Aledehydes and Ketones. Procedure: 1. Obtain one unknown from the commonplace room and record its identification (ID) itemize in 20.5. The otherwise unknown used in this prove is an organic compound used as a assuage agent. This unknown is find with the other reagents in a store labeled flavoring agent. 2. Number quaternary clean 10-cm test metros 1,2,3, and 4. Make certain that none of the tubings have been contaminated with propanone (which gives a commanding DNP test) in the cleaning process. 3. Put 10 drops of DNP reagent into distributively of the four test tubes. **Safety nippy**The DNP reagent should be handled care in effect(p)y and unplowed make skin and clothing. If co ntact occurs, clean the contacted area instanter with cool water. Add 2 drops of acetone to tube 1,2 drops of butyraldehyde to tube 2, 2 drops of flavoring agent to tube 3, 2 drops of your unknown to tube 4. Mix well by agitationand noth the close instantaneous formation of precipitate in tubes 1 and 2. script all(a) your observations for samples in table 20.1. B. Tollens Reagent. Prodedure: 1. Number 4 clean 10-cm test tubes 1,2,3, and 4. 2. Put 15 drops of dilute (6 M) sodium hydroxide (NaOH), into for each one test tube and allow them to stand for at to the last(a) degree 1 minute. This prepares the glass surface for the Tollens test. **Safety alert** bring down NaOH should be used carefully. It attacks the skin and is specially damaging to the eyes. If any(prenominal) gets on the skin or in the eyes, race it off immediately with cool water. If the eyes are involved, excessively regulate your lab instructor immediately. 3. After one minute, invalidate the NaOH from the tubes and without rinsing ! the tubes, make up 15 drops of 0.1 M silver nitrate(AgNO3) solution. 4. Next, add 15 drops of dilute (6 M)...If you want to get a full essay, swan it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper