Chrome File Edit View History Bookmarks People Window Help 4) a 100% G Wed 9:36

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Chrome File Edit View History Bookmarks People Window Help 4) a 100% G Wed 9:36 PM Apple opposes order to ha y Take Test: Benzoin Oxid at Definitions of oxidation an x CNE fi -https://courses.cscc.edu/webapps/assessment/take/launch.jsp?course assessment id 4458491&course; id 108901 1&content; id 7412182 1&step-null; a 0 It must be neutralized with sodium bicarbonate and then disposed of in the organic waste container 0 It can be directly washed down the drain with lots of water QUESTION 4 2 points Save Answer You are asked to analyze your benzil product with TLC, however, you are not told what eluant to use. How will you find out what eluant is best? O Since the product was recrystallized with ethanol, this would be the best eluant to use 0 I would start by looking through other labs I've done involving benzoin and see what eluant(s) I used. After trying this eluant, I would adjust as necessary to obtain the best separation of spots and spots towards the middle of the plate O 9:1 ethyl ether:petroleum ether is always the best eluant to use QUESTION 5 2 points Save Answer You are told to analyze the purity of your product with TLC. Which of the following TLC plates would indicate a pure product? A TLC plate where the product lane has one spot which has a higher Rf than the starting material A TLC plate where the product lane has one spot with an Rf that exactly matches the starting material A TLC plate where the product lane has two spots, one with a higher Rf than the starting material and one with a lower Rf A TLC plate where the product lane has one spot which has a lower Rf than the starting material QUESTION 6 3 points Save Answer Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. How 17

Explanation / Answer

Q-4 second option is correct

Q-5

first option is correct

because benzil is less polar means higher Rf than benzoin

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