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WA. Homework 9 - You will need to draw the Lewis structure...

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Unformatted text preview: You will need to draw the Lewis structure of the NDF molecule to answer this question. In NDF, the nitIogen is central. a) What is the predicted bond angle in the NOF molecule?-’ E120 b) What is the hybridization at nitIogen? C‘sp 0 5p4 ® 65p2 C‘ 5p3 ¢ c) How many 0' bonds are present in the NDF molecule?.’ E; d) How many 1? bonds are present in the NOF molecule?"’ E No lurks. To determine what portion of the qualion you have correct, check qnfition score at the top of the assignment. The stauct'ure of capsaicin, the molecule that E resporsihle for the "heat" in chili peppers, is shown below. Compare the bond lengths of the following pairs of bonds. Hint: don't forget about the effects of resonance! X and W bonds CI Bond X 'E shorter than bond W O E] Bonds X and W are the same length C‘ Bond X is longer than bond W I X and Z bonds ‘7! Bond X is shorter than bond Z Q E] Bond x is longer than bond 2 ‘3 Bonds X and Z are the same length I Y and Z bonds CI Bonds Y and Z are the same length CI Bond Y 1-; shorter than bond Z ® @umdvamgermanbmdz Use the VSEPR model to describe The correction marks will not be shown for this question. Please look above at the score summary to determine your partial credit. the shape of the following molecules or ions: - N03" — N..— Draw the Lewis structure for the chlorate ion. Assume octets on all atoms. a) Detemiine the funnel charge of the CI in the chlorate ion. NOTE: type in the sign before the number; type [J ifzero.-’ 9+2 b) What is the shape of the chlorate ion? _ O tetrahedral 0 linear O bent O trigonal planar trigonal pyramid c) What is the approximate O-Cl- 0 angle? O 120“ O 180“ J d) What is the CH) bond order? Note: if it is a fractional bond order, report it as a decimal not a fraction, showing two places past the decimal point. I «E You will need to draw the Lewis sthJcture of the nitIate ion to arswer this question. a) What is the predicted bond angle in the nitIate ion?-" E120 ° b) What is the hybridization at nitrogen? 0 sp3 05p 0 sp4 J c) How many 0 bonds are present in the nitrate ion?" E d) How many 11' bonds are present in the nitIate ion?" E: e) What is the nitrogen- oxygen bond order?-" E 1.33 Enter the hybridization on the centIal atom, the number of sigma bonds, and the number of pi bonds for each of the following. Enter spZ for 5oz. Note that the lone pairs have been omitted. Lewis Structure (without lone pails) Hybrldlzatlon Sigma Bonds PI Bonds O oilko I“ RE I" RE I“ BE HM [reg FE rm H20 [reg FE rm ._._. I’EE FEE FEE PM I“ BE rm rm What are the hybridizations on the numbered atoms in the following 5tn.|cture of acetaminophen, the active ingredient in Tylenoll shown below. acetaminophen, the active ingredient in Tylenol, atom hybridization 0 5p 0 5p2 1 O 32 5P3 J 0 5p 0 3! 5p2 2 0 5p3 J H 3 C) c.” 4 rr T 5 5" H—O—Cf (>c—v—(i—céH O 592 241w: H H 3 < 3 H“ \. 4 ® @543 Lone paws are not drawn, but all atoms except H obey the octet rule, J C) 5]) e a 54,. 4 ('3 Spa V C) 51) C spz 5 3 ® .51) «I Indicate whether each of the following orbital interaction-3 are sigma or a pi. 8% 8Q98c=8°°0° I" am Iv em -« Esme Use the following energy level diagram for diatomic molecules to detenliine the bond order and the number of unpaired electIons for each molecule. — 5* (2D) Diatomic Bond Order unpaired Electrons 382 .4 Eu lu’ ED _ 0(2D) '32 l" E1 _ 0* (25) 02 IV E2 _ 6 (25) N52 IV E” Use the following energy level diagram for diatomic molecules to determine the bond order and the number of unpaired electrons for the molecule shown below. . — 6* (2D) —- — m (2p) Diatomic Bond Order unpaired Electrons — ODD) _ 0* (25) 02 I“ E2 — C(25) Describe the shape of each of the following molecules. You will need to draw the Lewis structures. N20 (N 'E. centIal) O bent with NIZD" bond angles Q E linea r O bent with NIDQ” bond angles HCN (C is centIal) ® E linea r O bent with ~1D9” bond angles 0 bent with ~120" bond angles OF; (G is centIal) ® E bent with “.109“ bond angles 0 linear O bent with «120” bond angles I Which of these molecules have resonance structures? (Check all that are correct.) HCN v 3 N20 OF; none of the molecules have resonance structures Home My Assignments ...
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