C10HW All - < r-JLH' Mutab- Lisesimenti > 1-1"...

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Unformatted text preview: < r-JLH' Mutab- Lisesimenti > 1-1" LH :ubhussmhs > ViewAttempt View Attempt 1 0f 5 True: C1flllw Starte . Navember 1B, 2u1u 1:3u PM Submltted: Navember 1B, 2u1u 2:3u PM Tmre spent: u1-uu-zs Tutal scum: 6/12 : sun/o Tota\ score adjusted by 0.0 Maxwwm passwb‘e score: 12 Dune 1. Choose the correct Lewrs structure for thrs mmecme. Sm Student Respnnse correct Answer A Q a O O O F I I I I I I I I ' F S' ' I I I I I I I I O F I O O O O a O O O F I I I I I I I I ' F S'——F ° I I I I I I I I O O I I c. I I O F O I I I I C O O O O I I C C O O O ' F F ' F F ' I I I O I O I I I I O O O E. nune if these Scare: 1/1 In the mtrate roh (Noa'), nitrogeh and uxygen are he‘d tngether by student Response Correct Answer mm: mteractmns. cava‘ent bandsr Q datwe hohds e‘ectmnegatwlty WU“??? network bofldsr Scare: 1/1 Whmh or the foHowmg has the \owest furmal charge oh the central atom, the first atom m the furmu‘a? (Assume that the electrunodut furmu‘a ooeys the ootet ru‘er) Student Respnnge Correct Answer A. (0327 Q 3. N037 c. 503 D 003' E NH; Score: 0/1 Assumlng that the Formal charge on the central atom can‘t be larger than +/- 1, what l5 the number of resonance Forms for thls molecule HBrG‘, (HOErO3) student Response Correct Answer mpnw> {,1 none of these Score: 1/ 1 ln whlch of the folluwlng specres rs the octet rule vroleteo oy the centrel atom? student Response Correct Answer CH4 SE, a OW? s, lncl.1 so2 I” NH3 Scare: 0/ 1 Accordlng to the vespr model, there are two cases where a trlatomlc molecule wrll have a bent (enguler) shape What comornetrons of electron perrs around the central etom lead to an angular shape? student Response correct Answer . z bondlng electron pairs (only); 2 bundll’lg electron palrs plus one lone pair . 2 bondlng electron palrs plus 1 lone palr; 2 bondlng electron palrs plus 2 lone palrs a . 2 bondan electron palrs (only); 2 oonorng electron perrs plus 2 lone palrs . 2 bandlng electron pslrs plus 2 lone palrs; 3 ponan electron perrs plus 2 lane perrs mfinm)? . 2 oonorng electron pelrs plus 1 lone palr; 3 oonorng electron palrs plus 2 lone palrs Score: 1/1 whrch or the rollowrng ls Lflt planer? student Response correct Answer a cl3 :er PC‘E a ><eF,1 munmp 5: H4 Score: 0/1 Name the shape exhlblted try the molecule oelow. student Response correct An swer tetrah edral trrgcnel planer tngonel pyremroel tngonsl orpyrsmroel a mango» none of these Score: 1/ 1 lee the pond engle and determlne the shepe erouno the centrel atom deslgnated .n thls molecule 0 m Chgsosmzcn3 student Response correct Answer A trrgonel plener; 120° tngenal planar; <1an bent; <1ngr5" Q tetrahedral; 109‘s“ rlurle of these m???“ Scere: 1/1 10. Because betn tll’l end cerbbn ere members at erbub 4A(14), tney rbnn structurelly slmllar cbmbeunds waever, tlrl exhlblts e greater venety 0f structures beceuse It forms severel lorllt: spaclas Predlct the shebe end rdeal bond angle, lncludlng any devletlurls, rer tne lurl beluwr ;, Snr6 student Response correct Answer brbyrernrdal; gu‘ brbyrernrdel; <90“ octahedral: an“ a oetanedral: <9n° rnpnm» nune of these Scbre: 0/1 11. wnrcn br tne rbllbwrng rnelecules ls nenbelan student Response Correct Answer co H10 HF CH3 cl mpge> Xer M Scare: 0/1 11. srr.t nas a greater dlpele rnernent tnan SPA student Response Correct Answer A True B False m Scare: 0/1 View Attempt 2 of 5 Tltle: c10Hw Started: November 19, 2010 3:25 PM Submitted: November 19, 2010 4: 19 PM Tlme spent: 0 12 Total score: 11/12 91.5557% 'retel scbre adjusted by u o Maxlmum bbsslble scere: 12 Done andnyl cnlende ls used es en oxldlzlrlg end cnlennebng agent In Drgal’llc charrllstry Select tne best Lewls structure ter 50ch student Response Dnrrecl Answer A Cl I 0:3—01 E Nene er these structures ls sultable fer Socl2 Scbre: 1/1 ln the Lewls structure or etnylene elyeel, HDCHZCHZDH, new many palrs er electrens are benelng and new many are rlnrlrbnndlng? student Response Correct Answer 11 bondlrlg, e nbnsbendlng a bandlng, 2 rlarl'bundlng e bundlng, 2 rlnrlrtmndlng e bandlng, 4 rlnrlrbnndlng rnpnmp 9 bendlng, 4 nensbendlng E Scbre: 0/1 The formal charges. on Cl and o in the structme shown for the clo’ ron are, lespechvely: — B a . I) and *1 . *1 and I) . 1 and *2 . oz and 1 . None of these choices is correct. 1/1 How many resonance 5tructure5 are possrhle fol N03 .7 ED INPUT? mauuh-l.‘ E 5core: 1/1 In whrch one of me followrng species ls are central alom (me first atom ln me ionllula) llkely lo vrolale me oclel rule? A- BF; B xeo3 a 5rcl4 NH3 WPDF CHch2 Scale: 1/] whrch of the lollowing would not be angulal? A. H20 B. 502 c. 03 D E . OF2 . cllar3 Score: 1/1 Choose the conect electron- group anangement around arm A in the care below. > X— —X Ilneal uigonal planar lelrahedral a lrigonal hrpyramrdal Q? WFDP?’ none of these Score: 1/1 Delemline me molecular shape for the molecule belew. 503 . Ilneel henl tehahedral lrigonal planar a mpnwl’ uigonal pyramidal Scale: 1/] Delemline lhe rdeal bond angle(5) lor are ron. IE1 student Response correct Answer A 90‘ a E 109.5“ C 1am“ Dr 120“, gm Er ncne ufthese Scare: 1/1 an. Ewe the rceel veme and note where yeu expect devretmhs fer each band engre m the rhdrcated mu‘ecu‘er (1) (11) (1V) (V) (VI) C—O-H rn v1 student Response Correct Answer E? A we 5“: smeHer m B may: nehe cr 120“; emeHer D 120‘; hone E 120“; Ierger Scare: 1/1 11. whrch or the foHuwmg hes the \argest drpore moment? student Response Correct Answer A cs2 Br A503 Q c so3 Dr BPS Er NHA“ Scare: 1/1 12. Beer2 hes a greater drpare moment then scr2 student Response correct Answer A True 3 Fa‘se Q how many va‘ence e‘ectmhs are present h the Lewis structure at the rah N037? student nesponse correct Answer A 11 a 15 Cr 22 Dr 23 E 24 E Scare: 1/1 3. Phosphury1 rodrde I: used ‘1’! the preparatmh uf urganophosphorus dehvatwes and phosphate esters Se‘ect the Lewis structure for Dana which mhrmrzes torma1 charges. student Response correct Answer A. B. I | O—F—l | I E Scare: 1/1 4. How many resohahce Farms are requrred to represent the acetate roh HZCCOZ :2 student nesponse Correct Answer A‘ 1 e 2 a c 3 D 4 En more than 4 Scare: 1/1 5. In which one of the Ful‘uww’lg specres 15 the central atom (the first atom h the farmu‘a) New to vm‘ete the octet ru‘e? student lesponse correct Answer A BF“ ><eo3 a t 51:14 NH: E CH2C\2 Scare: 1/1 6. Much of the quothg compounds would not have a tetrahedm electron group geometry? student nesponse correct Answer A (:14 ‘ EeC‘z & c chzd2 D NH3 Er Ell-lg Scare: 1/1 7. thch at these Lewws dot diagrams \eeds to en ahguflar shege. P‘eese ehter why the \etter at the Lewws dwegrem 1h the hex. Gore the Mmen c‘assxficatmn fur the mu‘ecu‘e. student Response Correct Answer A Ax3 E AKA Cr AXSE & D A><3E2 E E none of these Scure: 1/1 9. Use VSEPR theory to predret the rdea1 band ang‘es around the two carbon atoms m acetamehyde, cnscho (The first carbun has smg‘e bands to three H atoms and one 5 atom; the secund carbon has smg‘a bonds to c and H, and a dootne bond to 0.) Student Response correct Answer A 109°, 109° B 109“, 1200 a a 120°, 109° Dr 120°, 90° Er 105°, 105° Score: 1/1 W) H H . O . (VI) ' ' ceceo n v Student nesponse correct Answer A 100.5“; emauer a 109.5“: none 0‘ 120“; smaHer Ea Dr 120”; \arger m E Home Of these Scare: 1/1 11. whrch 0f the foHowmg mmecu‘es has the greatest dwpub mament? student Response Correct Answer A. Hz E. HF Q c. HQ 0. HBr E. H] Score: 1/1 11. Given that the r0ea1 Frchh bond angles m CIF3 are 130° and 90°, predlct the geometry or the mmecmer student Response Dnrrecl Answer A EEEEEW 0 tngona1pyramrda1 c tngone1 planar D tetrahedra‘ Er none of the above E Score: 1/1 ...
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This note was uploaded on 03/30/2011 for the course CHEM 1331 taught by Professor Bott during the Fall '08 term at University of Houston.

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C10HW All - < r-JLH' Mutab- Lisesimenti > 1-1"...

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