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Alcohols in Chemistry Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. What is the second step of alcohol dehydrogenase?

Question 2 2. What is the product of alcohol dehydrogenase when the starting alcohol is methanol?

Question 3 3. What is the general reaction formula for alcohol dehydrogenase?

Question 4 4. What is the first step in alcohol dehydrogenase?

Question 5 5. What happens to the products of alcohol dehydrogenase when ethanol is the starting alcohol?

Page 2

Question 6 6. In the Williamson ether synthesis, a reaction that alkylates alcohols, a reagent called sodium hydride is needed. What role does the sodium hydride play in the reaction?

Question 7 7. Of the compounds below, which one represents an alcohol that has been alkylated (i.e. which one is an ether)?

Question 8 8. What important reaction has to happen in the first step of an alcohol alkylation mechanism?

Question 9 9. The Williamson ether synthesis is the primary method in which alcohols are alkylated, and this reaction involves an alcohol reacting with a _____ in the presence of a base to form an ether as the product.

Question 10 10. When a chemical reaction occurs in which the bond-making and bond-breaking events happen all at the same time, this type of reaction is said to be _____.

Page 3

Question 11 11. Why can't alcohol's undergo halide substitution reactions without a preparation first?

Question 12 12. What is the missing intermediate (question mark 'b') in this reaction?

Question 13 13. What is the slowest step in the S1 alcohol to alkyl halide reaction?

Question 14 14. What types of reaction will primary alcohols undergo with HBr?

Question 15 15. How are alcohols prepared for halide substitution reactions?

Page 4

Question 16 16. What aldehyde or ketone is typically used in the yeast alcohol dehydrogenase?

Question 17 17. Which of the following is not a function of alcohol dehydrogenase in yeasts?

Question 18 18. How is the alcohol dehydrogenase enzyme in yeasts different from the enzymes in humans?

Question 19 19. Where does the hydrogen added to the carbonyl on the aldehyde or ketone come from in alcohol dehydrogenase reaction in yeast?

Question 20 20. What function does alcohol dehydrogenase fulfill for yeasts?

Page 5

Question 21 21. What is the function of alcohol dehydrogenase?

Question 22 22. Why do some variant forms of alcohol dehydrogenase protect against alcoholism?

Question 23 23. A person comes to the emergency room with methanol poisoning. The doctor orders an IV with ethanol to be administered. Why would the doctor choose this treatment?

Question 24 24. Why does the body need acetaldehyde dehydrogenase in addition to alcohol dehydrogenase to break down ethanol?

Question 25 25. What is the role of alcohol dehydrogenase in methanol metabolism?

Alcohols in Chemistry Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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