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- Explain the role strain plays on stability and reactivity of a cyclic alkane such as cyclopropane.For small-scale and consumer welding applications, many hardware stores sell cylinders of MAAP gas, which is a mixture of propyne (methylacetylene) and 1,2-propadiene (allene), with other hydrocarbons. How would you prepare the methylacetylene/allene mixture from propene in the laboratory?12.) If the enthalpy of the reaction was at 298 K, what would be the enthalpy of hydrogenation of ethylene to ethane at 373 K? A.) -1.48 kJ/mol B.) +1.48 kJ/mol C.) -138.42 kJ/mol D.) -135.46 kJ/mol E.) +135.46 kJ/mol
- Consider the following proposed structures for benzene, each of which is consistent with the molecular formula C6H6. (iv) CH3CCCCCH3 (v) CH2=CHCCH=CH2 When benzene reacts with chlorine to give C6H5Cl, only one isomer of that compound forms. Which of the five proposed structures for benzene are consistent with this observation? When C6H5Cl reacts further with chlorine to give C6H4Cl2, exactly three isomers of the latter compound form. Which of the five proposed structures for benzene are consistent with this observation?Write equations for the reaction of cyclohexane with:a. Br2/H2O indoorsb. Br2/H2O in the presence of sunlight.1. Consider the solubility and boiling point of the following pair of compounds: n-butyl alcohol and diethyl ether. The boiling points for the compounds are 118 °C and 35 °C respectively. The solubility for both compounds is the same (8g/100g water). Explain this observation for (i) boiling point disparity; (ii) solubility similarity a. H-bonds form in diethyl ether; n-butyl alcohol forms H-bonds in water b. H-bonds form in n-butyl alcohol; diethyl ether forms H-bonds in water c. H-bonds in n-butyl alcohol; Both compounds form H-bonds in water d. Both compounds form H-bonds; Both compounds form H-bonds in water 2. Account for the bond angle differences between (i) H-C-H (109.5°) in methane and H-S-H (90°); H-C-H (109.5°) and H-O-H (107.5°) in water. a. The H-S-H has two lone pairs; The H-O-H has two lone pairs b. The H-S-H has no hybridization at p-orbitals; The H-O-H has two lone pairs c. The H-S-H has two lone pairs; The H-O-H has no hybridization…
- 4-methyl-3-hexanol was prepared by reacting an alkene with either hydroboration-oxidation or oxymercuration-reduction. Draw the structure of the alkene that was used to prepare the alcohol in highest yield. • You do not have to consider stereochemistry. • Indicate the method of preparation by drawing either BH3 (for . If there is more than one alkene that can be used for a given method, draw all of them. If either hydroboration-oxidation or oxymercuration-reduction can be used, just give the structures for one method. Separate structures with + signs from the drop-down menu. ● 981 -- 26224 ? ChemDoodle Y hydroboration-oxidation), or Hg (for oxymercuration-reduction), in a separate sketcher. Sn [16. Identify the products of cis-3-methyl-3-hexene with bromine.(B) a What alkane should be used to synthesize the 1- bromo -1- ethyl cyclohexane? Write a chemical reaction and explain b. Write a chemical reaction and name the product formed when 3- pentanol undergoes dehydration c. Comment on kinetic stability or thermodynamic stability of an organic compound
- Write the chemical equations involved for the reaction of cyclohexene with Br2Compound L undergoes dehydrohalogenation to form hydrogen bromide and 1-methylcyclohexene. What is dehydrohalogenation? State the condition required for dehydrohalogenation. Draw the structural formula of compound L and name L.3-methyl-3-pentanol and phosphoric acid (alcohol dehydration) A balanced stoichiometric (not structural) equation for the reaction and a calculation of the theoretical yield of alkenes.