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- | Exercises 317 9.21 Identify the reactants from which the following molecules were prepared. If an acetal, identify the carbonyl compound and the alcohol; if an imine, identify the carbonyl compound and the amine; if an alcohol, identify the carbonyl compound and the Grignard reagent (red = 0, blue = N): (a) (b) (c)(a) (CH3)3CBr give the common name (if possible).Write structural formulas for the following compounds (includes both old- and new-style names).(a) 2-octyne (b) ethylisopentylacetylene (c) ethynylbenzene(d) cyclohexylacetylene (e) 5-methyl-3-octyne (f) trans-3,5-dibromocyclodecyne(g) 5,5-dibromo-4-phenylcyclooct-1-yne (h) (E)-6-ethyloct-2-en-4-yne (i) 1,4-heptadiyne(j) vinylacetylene (k) (S)-3-methyl-1-penten-4-yne
- Write structural formulas for the following compounds (includes both old- and new-style names).(a) 2-octyne (b) ethylisopentylacetylene (c) ethynylbenzene(d) cyclohexylacetylene (e) 5-methyl-3-octyne (f) trans-3,5-dibromocyclodecyne(g) 5,5-dibromo-4-phenylcyclooct-1-yne (h) (E)-6-ethyloct-2-en-4-yne (i) 1,4-heptadiyneWrite the reagent or draw structures of the starting material or organic product(s) in the following reactions. If more than one product is formed, identify the major product where possible. (a) (b) HO OH OH H2SO4 ? Cl₂ ? FeCl3Some of the following examples can show geometric isomerism, and some cannot. Forthe ones that can, draw all the geometric isomers, and assign complete names using theE-Z system.(a) 3-bromo-2-chloropent-2-ene (b) 3-ethylhexa-2,4-diene(c) 3-bromo-2-methylhex-3-ene (d) penta-1,3-diene(e) 3-ethyl-5-methyloct-3-ene (f) 3,7-dichloroocta-2,5-diene
- Write chemical equations of the reactions of ethanoic acid with(a) Sodium(b) Sodium carbonate(c) Ethanol in the presence of conc. H2SO4Which of the following is true for the reactions of alkyl halides? (a) The characteristic reactions of alkyl halides are oxidation and reduction.(b) The characteristic reactions of alkyl halides are elimination and substitutionc. The characteristic reactions of alkyl halides are addition and substitutiond. Characteristic reactions of alkyl halides are addition and elimination.18. The addition of H20 to ethene yields a molecule called: (a) ethanol (b) ethane (c) ethyne (d) ethylene glycol
- Give an IUPAC and common name for each of the following naturally occurring carboxylic acids: (a) CH3CH(OH)CO2H (lactic acid); (b) HOCH2CH2C(OH)(CH3)CH2CO2H (mevalonic acid).1B. Provide the IUPAC name of the following compounds, with clear indication of stereochemistry for stereocenters and alkene. Me. (a) (b) (c) (d) Br "Ме CI(a) Compound D undergoes a reaction with hydrogen bromide, HBr to produce 2-bromobutane. D exists as cis-trans isomers and decolourises bromine solution in methylene chloride, CH2CI2. (i) Draw and name the structure of compound D. (ii) Draw two (2) constitutional isomers of compound D.