Determine if each of the following statements is true or false. 1. Larger atoms are better nucleophiles due to polarizability.
A. True
B. False
2. The identity of the nucleophile affects the rate of an SN1 reaction.
A. True
B. False
3. SN2 reactions proceed via frontside attack.
A. True
B. False
4. Bimolecular reactions tend to be stereoselective.
A. True
B. False
5. SN2 reactions invert all stereocenters in a haloalkane.
A. True
B. False
6. Cl-, OH-, and H- are good all leaving groups.
A. True
B. False
7. Good bases tend to be good nucleophiles.
A. True
B. False
8. Branching adjacent to a reacting carbon slows SN2 reactions due to steric hindrance.
A. True
B. False
9. SN1 reactions are slowed by hyperconjugation of the carbocation intermediate.
A. True
B. False
10. The rate determining step for SN1 reactions is the same as the rate determining step for E1 reactions.
A. True
B. False
11. It is possible to get E1 alone but SN1 is always accompanied by E1.
A. True
B. False
12. Leaving group ability depends only on pKa of the conjugate acid.
A. True
B. False
13. Good nuclephiles are also good leaving groups.
A. True
B. False
14. Protic solvents solvate large ions better than small ions because of increased surface area.
A. True
B. False
15. Steric hindrance is a major factor in determining between SN2 and E2 mechanisms.
A. True
B. False
16. Backside attack always converts R to S and vice versa.
A. True
B. False
17. Nucleophile ability is solely dependent on the pka of the conjugate acid.
A. True
B. False
18. A high concentration of good nucleophile will increase the ratio of SN1 product to E1 product.
A. True
B. False