Name: Teacher : Period: APEX Calendar November 2016 ◄ ► Sun Mon Tue Wed Thu Fri Sat 1 In which of the 2 A hard binary 3 Arrange Nitrogen, 4. Arrange the following 5 following liquid compound at room Oxygen and Fluorine in compounds in the molecules the IMF temperature did not the increasing order of increasing of bond include dipole- dipole conduct electricity as a bond enthalpies. polarity and interactions? pure solid but became and CH2F2 highly conducting when dissolved in water. What type of interactions may be present in the molecule? 6 7 The lattice energy of a salt is 8 .The first five 9 Ethane and 10 Benzene, C6H6, 11 11. If equal masses of the 12 related to the energy required ionization energies Butane compound has following compounds sparingly soluble in to separate the ions. For which of a second-period the higher boiling point, undergo complete water, what type of the of the following pairs of ions is element are 801, and why is that combustion, which will intermolecular forces of the energy that is required to 2430, 3660, 25000 compound’s boiling yield the greatest mass of Time attraction between separate the ions largest? and 32820 K. J point higher? CO2 ? Benzene, or Cyclo Ends water and benzene? (Assume that the distance Which of the hexane or glucose or between the ions in each pair is following correctly Methane. equal to the sum of the ionic identifies the radii.) element and best Na+(g) and Cl−(g), Cs+(g) and explains the data in Br−(g), Mg2+(g) and O2−(g), the table? Ca2+(g) and O2−(g)
Name: Teacher : Period: ◄ APEX Calendar November 2016 ► Sun Mon Tue Wed Thu Fri Sat 1 In which of the following liquid molecules the IMF include dipole- dipole interactions? and CH2F2 2 A hard binary compound at room temperature did not conduct electricity as a pure solid but became highly conducting when dissolved in water. What type of interactions may be present in the molecule? 3 Arrange Nitrogen, Oxygen and Fluorine in the increasing order of bond enthalpies. 4. Arrange the following compounds in the increasing of bond polarity and 5 6 Time Ends 7 The lattice energy of a salt is related to the energy required to separate the ions. For which of the following pairs of ions is the energy that is required to separate the ions largest? (Assume that the distance between the ions in each pair is equal to the sum of the ionic radii.) Na+(g) and Cl−(g), Cs+(g) and Br−(g), Mg2+(g) and O2−(g), Ca2+(g) and O2−(g) 8 .The first five ionization energies of a second-period element are 801, 2430, 3660, 25000 and 32820 K. J Which of the following correctly identifies the element and best explains the data in the table? 9 Ethane and Butane compound has the higher boiling point, and why is that compound’s boiling point higher? 10 Benzene, C6H6, sparingly soluble in water, what type of the intermolecular forces of attraction between water and benzene? 11 11. If equal masses of the following compounds undergo complete combustion, which will yield the greatest mass of CO2 ? Benzene, or Cyclo hexane or glucose or Methane. 12
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