Arrange the compounds in the order of increasing boiling point (lowest first) H3C *CH H,O CH;CH2OH CH;CH,SH I II III IV O A. II, , II, IV O B. I, IV, II, II O c. IV, I, II, I O D.I, IV, II How many pi-orbital electrons are in the following molecule? H O A. 4 O B. 6 O c. 8 D. 10

Which compound is most likely to have ionic forces? a.H20 b.Al2O3 c.PCI3 d.Xe e.NH3 Ос Od

The molecular orbital diagram shows the electron configurations for two atoms that have the same number of protons. Fill in the molecular orbitals with the electrons provided. From the answers below, what molecule or ion will be formed? ##1 a.0₂ b.0₂ c.F₂ d.OF e.F₂ O e O a Ob O c Od 2p # 1s 20 o 2p 2p ·1125 this

Which of the following is the H-O-H bond angle a. 90.0° b. 109.5° c. in water, H₂O? 120.0° d) 180

Which of the following substances contain two pi bonds? O A. C2H6 OB. C2H2 С. С2Н4 D. C3H8 O E. CH4

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Predict which compound in each of the following pairs shouldhave the higher melting and boiling points (Hint: Write the Lewis structure anddetermine whether the compound is ionic, polar covalent, or nonpolar covalent.):a. C2H6and CH4c. F2and Br2b. CO and NO d. CHCl3and Cl2

Place the following in order of  increasing dipole moment.    I. HBr       II. HF       III. HCl

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