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- 16. Which of the following structures is the CORRECT resonance structure of the following. molecule: (A) (B) (C) (D) CH3- CH₂ CH3 -H CH₂CH3 CH₂CH-CH₂ CH3 CH3(i) Draw a complete Lewis dot structure for each of the following compounds. Clearly (ii) indicate all bonds and lone electrons, as well as the formal charge of each atom in the compound. a) NO3 b) NH4* c) CO2(a) Determine the formal charge of oxygen in the following structure. If the atom is formally neutral, indicate a charge of zero. (b) Draw an alternative Lewis (resonance) structure for the compound given in part (a). Show the unshared pairs and nonzero formal charges in your structure. Don't use radicals. Formal charge on O 0
- Draw the shapes of the following molecules and ions in 3-dimension. Show clearly any lone pairs of electrons on the central atom, state the number of bond pairs and lone pairs of electrons on the central atom and name the shape of the molecule or ion. (a) SiCI4, silicon tetrachloride (b) PBr3, phosphorus tribromide (c) CI2O, dichlorine oxide Provide everything stated in the instructions for each compound.Draw Lewis structures for the following compounds. a) CH2OWrite Lewis structures for these ions. Show all valence electrons and all formal charges. (a) Amide ion, NH2-
- 13) Give the correct bond-line structure for the following compounds (drawing bonds as lines). Clearly show all bonds, electron pairs, and formal charges when present. Ionic bonds, if present, must be clearly marked using formal charges. (CH3)2CHCHBrOH Na o N oHelp me pleaseWrite the names of the molecules whose explicit structures are given below, according to the naming system. Write the open structures of the named compounds NH2 NO2 "Br O,N d) соон CH3 a) COOH b)
- Ethylene, C₂H₄, and tetrafluoroethylene, C₂F₄, are used tomake the polymers polyethylene and polytetrafluoroethylene(Teflon), respectively.(a) Draw the Lewis structures for C₂H₄ and C₂F₄, and give theideal H-C-H and F-C-F bond angles.(b) The actual H-C-H and F-C-F bond angles are 117.4and 112.4, respectively. Explain these deviations.Write Lewis structures for these compounds. Show all valence electrons. None of them contains a ring of atoms. (a) Hydrogen peroxide, H2O2 (b) Hydrazine, N2H4 (c) Methanol, CH3OHUnshared, or lone, electron pairs play an important role in determining the chermical and physical properties of organic compounds. Thus, it is important to know which atoms carry unshared pairs. Use the structural formulas below to determine the number of unshared pairs at each designated atom. Be sure your answers are consistent with the formal charges on the formulas. The number of unshared pairs at atom a is The number of unshared pairs at atom b is HyC CH The number of unshared pairs at atom e is The number of unshared pairs at atom a is The number of unshared pairs at atom b is HC CH The number of unshared pairs at atom e is