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- Match set A (common active ingredients of insect repellants) to set B (known properties). Then, match set B to set C (structure). Then, match set C to set A. Set A Set B 1. Citriodiol a. Considered as biopesticide b. Lemon eucalyptus oil c. Gold standard repellant 2. Picaridin 3. DEET 4. Citronellol and Geraniol 5. IR-3535 d. Citronella oil e. Repellant of choice for malarial prevention Set C CH3 а. d. CH3 HO OH H3C CH3 H3C CH3 b. е. с. OH OH3. Write structures for products A, B, A OH (-H₂) Br BDraw a full Lewis structure for each following compound. Include lone pairs andnon-zero formal charges as necessary.a. HCN, hydrogen cyanideb. Si(OH)4, orthosilicic acid c. and d. are in photo attached. Look at cyclobutan-2,2-diol from d. Write the hybridizaOon of eitheroxygen atom (sp, sp2, or sp3). In Si(OH)4 (from question b.), write the hybridization of the silicon atom. Write compound in in this previous question that should exhibit a strong, sharp peak at 1712cm–1 in its IR spectrum.
- Choose one answer for the following. Refer to the diagram below. 1. Hybridization of atom labelled A (sp, sp2, or sp3) 2. Hybridization of atom labelled B (sp, sp2, or sp3) 3. Hybridization of atom labelled C (sp, sp2, sp3) 4.Class compound for functional group D (phenols, aryl halide, alcohols, aromatics, or carboxylic acids) 5. Class compound for functional group E (phenols, aryl halide, alcohols, aromatics, or carboxylic acids)16. What is the correct structure for (2S,5R)-2-fluoro-5-methylnonane? I a. I b. II c. III d. IV III L IF AnReagents Available g. CO, HCI, CUCI/AICI3 h. CH3CH2CH2COCI, AICI3 i. BrCH2CH2Br, Он j. CH3CH2CI, AICI3 k. RCO3H I. H3O* a. CH2=CHCH,CI, AICI3 b. CH2B12, OH c. CH3CH2COCI, AICI3 d. H2, Pt e. NBS, CCI4 f. K* tBuO Using conditions from the table, show how you would synthesize this compound from catechol (1,2-benzenediol). Select reagents from the table in the order that you wish to use them, i.e. aced; do not include punctuation or spaces If more than one route exists, choose the shorter one; in no case will a synthesis require more than 5 steps.
- 18. Which carbanion is the most stable A. methyl carbanion (CH3-) B. ethyl carbanion (CH3CH2-) C. isopropyl carbanion ((CH3)2CH-) D.Chloromethyl carbanion (CICH2-) 19. Which structural effect best explains the observed trend below: Compound C-CI bond length (A) 1.78 1.77 1.76 H3C-CI CIH₂C-CI Cl₂HC-CI FH₂C-CI 1.76 A. resonance B. C-H hyperconjugation C. Inductive effect D. steric effect 20. Assuming that each methyl/hydrogen 1,3-diaxial interaction destabilizes the methyl substituted cyclohexane by 0.9 kcal/mole; then what is the energy difference between 2 chair conformations of cis-1,3-dimethylcyclohexane. A. 0.9 kcal/mol B. 1.8 kcal/mol C. 2.7 kcal/mol D. 3.6 kcal/mol1. GIVE THE RESONANCE STRUCTURES OF OCHCH=CH-CH22. Give IUPAC names to the following organic molecules А. CN Br В. CN CI all С. Br CHO D. Me Me 3 CS Scanned with CamScanner B.