Draw the expected structures for compounds with the following empirical formulas that would fulfill the 18-electon guideline for electronic saturation.. a) Cp2Os(CO)2   b)   η 5-Cp W(CO)2

Predict the organic products of the following reaction. Show stereochemistry clearly. The (R) or (S) designation for each stereocenter carbon atom is specified adjacent to the answer box, please draw the products accordingly. X H KMnO4 (aq) KOH, cold (3R, 4S) (3S, 4R)

Q2B ONLY

5 . Term describing the structural relationship between (2R,3R,4S)-2,3,4-trichloroheptane and (2R,3R,4R)-2,3,4-trichloroheptane

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Question 7 Propose a chemical structure for the name below. Make sure to clearly define the stereochemistry where applicable: (2E, 4Z, 6Z, 8E)-deca-2,4,6,8-tetraene A B C D A B C D

3. Alkene Reactions - Give the structure of the major organic product formed in the reaction of 3,3-dimethyl-1-butene with each of the following: (a) hydrogen chloride (b) hydrogen bromide duct for the (c) dilute acid (H3O+) (d) BH3 in THF, followed by H2O2, OH- (e) Hg(OAc)2 in H2O, followed by NaBH4 (f) Br2 in CH2Cl2 (g) Br2 in H2O (h) mCPBA followed by H3O+ (i) O3, followed by Zn, H₂O

Please help me with the question below. A detailed explanation to aid in understanding is welcome.

9. Write the name and structure of the monomers needed to synthesize the following vinyl polymers: (a) CH₂CHF] (b) +CH₂CH (d) (g) +CH₂C- CN fond CN CH3 (d) CH₂CH₂CH₂ (e) CH₂CH (f) (h) FCH-CH- tat (a) FCH₂CHO (b) FCHO- CH3 OCH3] 10. Write the name and structure of the monomers needed to synthesize the following nonvinyl polymers. In some instances, more than one answer may be correct. (You might wish to review organic nomen- clature before attempting to name some of these monomers.) (f) FCH₂CH- (c) tạoÔ (g) (ECH) ENHCH, O-CH,NH] -SO,NH(CH,),NH- CHỊCHỊCH, CHO EOCH,CH.CHO] (60) {NHCH.CHE] COCH₂CH₂CH₂ VHCH,CH,C+ (c) CH3 CH3

An unknown compound of molecular formula C5H10O2, gives the HNMR data shown below. Which of the following structures is consistent with the data?