1) Give the major organic product of the reaction shown. H H HBr CH HC CH₂ A) B) CH-CH- CH Br CH CH₂ ō ملة CH₂-CH₂-0 CH2-CH2-C-CH3 Br CH -CH-C-CH CH-CH Br D) Br CH CH ++ CH-CH-C- -CH3 CH, Br E) CH CH-CH-C- -CH-Br CH3 1)

Be sure to answer all parts. Rank the alkyl halides in the following group in order of increasing Sy2 reactivity. Br А: Br B: C: Br (c) А B Most Reactive Least Reactive

Draw structural formulas for the isomeric carbocation intermediates formed on treat- ment of each alkene with HCl. Label each carbocation 1°, 2°, or 3° and state which of the isomeric carbocations forms more readily. CH₂CH3 (a) H₂C=C (c) CH3 CH3 (b) (d) H₂C-CH=CH-CH3

Write the reagents

The following series of reactions will yield 2) CI-CH2-CH2-C6H5 1) CH3CH2SH + N2OH O 2-chloro-4-ethyl-benzenesulfonic acid O CH;CH2-S-CH2CH2C6H5 O ortho-chloro-ethyl-benzene O 1-phenyl-3-chloro-propane O CH3CH2-O-CH2CH2C6H5

why transition elements are able to form interestitial compounds ?

Predict the product. Draw the structure(s) of the major organic product(s) formed in the following reactions. Please indicate stereochemistry if appropriate.

ОН CH3CH2CH2CH2Č(CH3)2 Can this alcohol be synthesized selectively by hydroboration-oxidation of an alkene? If yes, draw the structure of the alkene. If no, draw the structure given above. You do not have to explicitly draw H atoms. P opy aste ChemDoodle

Show how you would synthesize each of the following syntheses (more than one step may be required)

O || CH3-CO-C-CH3 tCH3CH2CH, NH CH 3 | CH3-C-CL + CH3-N-CH3 Complete the following reaction.