Check the box under each compound that exists as a pair of mirror-image twins. If none of them do, check the none of the above box under the table. OH CH3 CH₂ C CH3 CH3 0 OH CH3-CH-CH3 none of the above CH3 CH3 -CH₂-C-OH CH3 CH3 CH₂ CH3 -CH-OH 5
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- Arrange the following molecules from largest to smallest dispersion: CH4 CH3CH2CH2CH2CH3 CH3C(CH3)2CH3 CH3CH(CH3)C(CH3)2CH2CH3 CH3H2CH3 CH3CH2(CH2)4CH2CH3Answer the following: 1. Based on molecular structure, alcohol molecules and ether molecules areanalogues of water. This implies that both molecules can form hydrogenbonds with water molecules. Which statement is FALSE? a. Ether molecules are hydrogen bond acceptors.b. Alcohol molecules are hydrogen bond acceptors.c. Ether molecules are hydrogen bond donors.d. Alcohol molecules are hydrogen bond donors. 2. Ethyl alcohol and dimethyl ether are isomers. However, they differ in theirdipole moment. Which statement is TRUE? a. Dimethyl ether has a lower dipole moment than ethyl alcohol.b. Ethyl alcohol has a lower dipole moment than dimethyl ether.c. Ethyl alcohol has a greater bond dipole than dimethyl ether.d. Dimethyl ether has a greater bond dipole than ethyl alcohol. 3. Carbocation stability is important in reaction mechanisms involving alcohols.Based on the general structure of alcohols, rank the carbocation stability ofalcohols (increasing trend) if a central carbon is the point of…Calculate delta H for the reaction : Ch4+ 3Cl2= CHCl3+ 3HCl given: CH4 =-74.85(kJ/mol) HCl= -92.30(kJ/mol) CHCl3=-134.3 (kJ/mol) CHCl3=-103.2 (kJ/mol)
- Rank the following by decreasing boiling points, so that 1 is the highest and 3 is the lowest. CH3-O-CH3 CH3CH2OH CH3CH2CH3Which one is the correct order of decreasing boiling point? Question options: CH3CH2CH3 > CH3CH2OH> CH3OCH3 CH3CH2CH3 > CH3OCH3 > CH3CH2OH CH3CH2OH> CH3OCH3 > CH3CH2CH3 CH3CH2OH> CH3CH2CH3 > CH3OCH3Explain why the following compound is not stable:CCCHHHHHHHH
- Place the following compunds in order from lowest to highest boling points. Explain why you have ranked each compound C6H14 CH3OH H2O C3H8Rank the following groups in order of decreasing priority according to the Cahn-Ingold-Prelog system. I) -CH=CH2 II) -CH3 III) -CH IV) -OH 1) IV > III > I > II 2) IV > I > III > II 3) III > IV > I > II 4) II > I > III > IV1. Follow the instructions in each column. Hint for the last column: draw it with a wedge and again with a dash – which gives the correct configuration?
- 2-chloro-3methylbutane (show all confirmations) 1) looking down the C1-C2 bond 2) 1 staggered confimation looking down the C2-C3 bond 3) Label all and rank all from least to most stable.Which is/are correct? a.The dipole moment of propanal is greater than that of 1-butene. b.Carbonyl compounds are more soluble in water than the corresponding alkanes but less than the corresponding alcohols. c.All the choices. d.The boiling points of 2-propanol, propanone, and 2-methylpropene are 82C, 57C, and -7C, respectively.Use bond-dissociation enthalpies to calculate the AH° for each of the following reactions. CH3CH2CH3+H2 → CH3CH3+CH4 CH3CH2CL+HI → CH3CH2I+HCI