Exp #11 Acetylene

2. Give the reaction between calcium carbide and water to produce calcium acetylide.

3. Give the reaction between water and calcium acetylide.

4. Give the reaction between Cu(NH3)2 and CaC2.

5. What is the difference between something being flammable and being explosive?

Exp#12 Nucleophilic Substitution
6. In an SN1 mechanism,
a. What is the rate determining step?
b. What is the order of reactivity of alkyl halides (primary, secondary, etc)
c. What made the primary alkyl halides undergo the SN1 reaction?

7. In an SN2 reaction,
a. Is the reaction unimolecular or bimolecular?
b. What conditions were used to cause the reaction to go SN2 rather than SN1? without heating the reaction?
c. Did more of the compounds tested react under the SN1 mechanism or the SN2

8. Why is bromide ion a better leaving group than chloride?

HO. Dehydration of Methyl cyclohexanol
9. Give the step by step mechanism for the acid catalyzed dehydration of methyl cyclohexanol to give 1-methylcyclohexene.

10. What possible other products can be produced in this reaction?

11. Why is 1-methylcyclohexene the major product?

Exp #16 or Benzoate electrophile
12. Give the in step this by reaction step mechanism is +NO2 ion. of the initration of methyl benzoate. The

13. Would benzene react faster or slower than methyl benzoate?

14. What occurred for most of the students that made getting a melting point impossible? Give a possible reason that this problem occurred.

Exp #18 Alkylation of Benzene with t-butyl chloride.
15. Give two reasons why the product was the di-f-butylbenzene, not the monosubstituted product.

16. The manual says that both the 1,4-and really the 1,3-di true. substituted products can be formed. Discuss the probability that this is

HO Hydrolysis of an ester.
17. Give the step by step mechanism for the acid catalyzed hydrolysis of an ester.

18. Since this is an equilibrium reaction, what was done to force the equilibrium to the hydrolyzed products?

Exp #11 Acetylene 2. Give the reaction between calcium carbide a...