Which alkene reacts the slowest with HC1? CH3CHCH=CH2 CH3 A Н CH3 D CH3 CH3 CH3C=CH2 I CH3 B CH3CH2 CH3 CH3CH2C=CH2 1 CH3 с E CH3 CH3

Rank the following alkyl halides in order of their expected SN1reactivity. CH3CH2Br H2C=CHCH(Br)CH3 H2C=CHBr CH3CH (Br)CH3

Rank the molecules A to D shown below by decreasing reactivity towards lodo cyclohexane. H3C-CH,OH F,C-CH,OH H,C-CH,NH, H3C-N-CH, A в D O 1.C>D>A>B O 2.B> A> C> D O 3. A> C> B > D O 4. A> B>D>C

C341 5.) Draw a step-by-step mechanism for the reaction of 1-methyl-1-cyclopentene with the following: a.) hydrogen bromide (i.e., hydrohalgenation) H-Br b.) Br2 in CH2Cl2 (i.e., halogenation) Br-Br c.) Br2 in ethanol (i.e., halohydrin) Br Br OH Chapter 8: Alkenes

Identify the best reagents to convert 1-hexyne into 2-bromo-1-hexene. O xs Br2, CCl4 1 equiv HBr, ROOR xs HBr O 1 equiv HBr O 1 equiv. Br2, CCl4

Predict the products of each reaction below. Indicate regiochemistry and stereochemistry when relevant. CH3 X™ CH3 H₂C H H CH3 H₂ Pd CHC13 KOH

What would be the FINAL result of the reaction(s) shown below? H₂O CH3CH2-CEC-H ? cat H2SO4 cat HgSO4 H OH `c = c' CH3CH2CH2-C-H H с D HO H C=C CH3CH2 H CH3CH2-C-CH3 CH3CH2 A B D C A B

What set of reagents can best accomplish the following transformation? NH NH `NH ? 90% -10% A) PCC in CH2C2 B) AICI3 C) HCI in Et,O D) H2SO4, HNO3 E) Cl2, FeCl3 O B O A O E

The following 3° carbocation is more stable than a typical 3° carbocation because it is CH3 A stabliized.

What is the expected product of the reaction below: CH3 + CH3-C-Br + Na : CCH CH3 CH3. CH3 CH3 CH3 | CH2 H-C=C-H CH3--C=C-H CH3 CH2 =C-CH3 and CHS II || CH3 H-C=C-CH2-CH-CH3 IV