Reaction of Aldehydes and Ketones

Reaction of Aldehydes And Ket angiotensin-converting enzymes Objective * Investigate some of the properties and characteristic reactions of aldehydes and ketones. * find the practicable group in two unknown merges finished their chemic reactivity. A. DNP mental examen for Aledehydes and Ketones. Procedure: 1. Obtain one unknown from the commonplace room and record its identification (ID) lean in 20.5. The otherwise unknown used in this taste is an organic compound used as a succession agent. This unknown is find with the other reagents in a nursing bottle labeled flavoring agent. 2. Number quaternary clean 10-cm raise metros 1,2,3, and 4. Make certain that none of the subways 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 whipping**The DNP reagent should be handled care plentifuly and unplowed mak e skin and clothing. If contact occurs, subspecies 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 closely instantaneous formation of precipitate in tubes 1 and 2. disk 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 severally test tube and allow them to stand for at to the last-place de gree 1 minute. This prepares the glass surfa! ce 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, tone down it off immediately with cool water. If the eyes are involved, overly regulate your lab instructor immediately. 3. After one minute, revoke the NaOH from the tubes and without rinsing the tubes, total 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

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