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- a. Draw the structures and give the common and systematic names for alkynes with molecular formula C7H12. Ignore stereosiomers. (Hint: There are 14.) b. How many would there be if stereoisomers are included?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)Draw and name all of the structural isomers possiblefor an alkyl halide with no branches and the molecularformula C 5 H 10 B r 2
- Complete the following noting structures for A, B, and C. If more than one step is required to list them as 1, 2, 3, and so on.Briefly, but clearly, explain why the –OH hydrogen in acetic acid (CH3CO2H) is more acidic than in ethanol (C2H5OH).1,4-Pentadiene (CH2=CH-CH2-CH=CH2) is a liquid at room temperature and has a density of 0.66 g/mL and molar mass of 68.12 g/mol. In a laboratory experiment, 3.80 mL of this compound was treated with 4.80 mL of conc. H2SO4 (100% w/w; molar mass 98.08 g/mol). Note that the density of conc. H2SO4 is 1.84 g/mL. The resulting sulfate ester was then treated with 1.20 mL of water (molar mass 18.02 g/mol) affording, after work- up, 2,4-pentanediol (molar mass 104.15 g/mol) as the crude product. The crude product was then purified by simple distillation, which yielded 2.00 g of pure product. What is the theoretical yield of 2,4-pentanediol expressed in grams? Show calculations. What is the percentage yield of pure 2,4-pentanediol?
- 1,4-Pentadiene (CH2=CH-CH2-CH=CH2) is a liquid at room temperature and has a density of 0.66 g/mL and molar mass of 68.12 g/mol. In a laboratory experiment, 3.80 mL of this compound was treated with 4.80 mL of conc. H2SO4 (100% w/w; molar mass 98.08 g/mol). Note that the density of conc. H2SO4 is 1.84 g/mL. The resulting sulfate ester was then treated with 1.20 mL of water (molar mass 18.02 g/mol) affording, after work- up, 2,4-pentanediol (molar mass 104.15 g/mol) as the crude product. The crude product was then purified by simple distillation, which yielded 2.00 g of pure product. a. Provide a balanced chemical equation to show the reaction between 1,4-pentadiene and sulfuric acid. Do not use molecular formulas in the chemical equation except for sulfuric acid. b. What reactant is the limiting reagent in this chemical equation? Show calculations to support your answer.Place the following compunds in order from lowest to highest boling points. Explain why you have ranked each compound C6H14 CH3OH H2O C3H81. (d) Provide a name for each molecule (I narrowed it down to three subparts)