CHEM2211Exam1Key - L<E last. NAME 1D# first...

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Unformatted text preview: L<E last. NAME 1D# first CHEMISTRY 22]] Exam 1 September 19, Elli]? Be sure to read each question carefully. Partial credit will he assigned where appropriate. To receive full credit you must answer the question completely. Relax and good luckll l. { | [l pts} Draw structures for five constitutional isomers that share the formula C4HmO. You do not rteccl to indicate the specific honcl geometries; simply provide each isomcr’s general skeletal structure. MGH Al/ DH SCORE lfl. ll. Total: 2. {14 p15”: Part I: Complete equations of the thllowing acidvhaac reactions: Pan 2: On the reactant side of each equation clearly circle the Part 3: For the first three teactione, write in the teat coho-nu whether the reactants. or the products are favored at equilibrium {Use the pro values found on the last page of flte exam]. FAVURED (reactants or products?) $11 c: L” 3L Li Prcéu per-S E E: + H20 + NENHQ _‘—_ D II IS ('3‘:ch E} {'3 + r (3%on + H304 Faro. we flegflL-r L4 \ ,x‘ “‘1‘ to 2-" .- 1 am + AICI3 w-—~ w E 3. {T pts} [Template the Krakule stmclurea [Lew write multipla bondst unshared pairs. and assign far-ma! charges} for the following uverall neutral molecuhes. Only U-hc-nd fi'ameworks are 511mm. H H ~ T P H '0! l H H—a‘a—igo\-. I: N n H! “T,O,:"”@H““” C_H Functional Grou - Name Functignal Gruu - Name Car £2.95: ; '--‘:__IE1-ce-:;1 SL4 1|"-:"1u l.— ' .' -._,.' mu— Efiirf 5. {8 pis} List the hybridization ofoaoh atom indicated (straight arrow) and list the approximate bond angles indicatod (curved arrow} in the spaces provided. (a) if) {c} (d) (s) o) Hagrffl:CH2 . GH3 {e} THz {11} .1 3 a, {iiyhridizalion'i 5P c, fltybridizaiiooj 5P f, {hybridization} 5 P a 3 1:}, {bond anglo} 1.30 d. {hybridization} g. {bond angle} ‘ E; a v 3 lo. {bond angle} I g D h, {hybridization} 5E ti. {3 pls) .fitrrango the following compounds in order ofinoroasing {LC bond longlh between carbons 2 and 3. [1 = shortest and 3 = longest}. l 2 3 4 ] 2 3 :1 1— 2 3 4 1|3C=CH—GH=CH2 CH3"CH2"CH2“CH3 HEC—CH_CH2_CH3 ia— T. [1-2 13$}ch the Following compounds in the: spams. provided using IUPAC guidelines. 52,1111 {5, '- 7¢+rhrw¢J~L IP12 LP JrCT—F—b F Harw— 0r H—(1,|*A.m.H-«7I¢LL7:) buffing L1 "15}; n; I -?-' f k1 Gr 34 — WA?! - HF ( |_ “in?! Eihyllj mfg-firm {ID [115} Convert the Mlle-wing skclelal Structuras to Kakule {Enema-I111} structurea in the boxes provide/d. 5'. {l D pts} Draw a detailed valence orbital sketch of the central carbon atom in aeetone [pictured below}. Include all of fire necessary orbitals and clearlyr label each oftbsm with file appropriate orbital designation (ex- s, p, spl. .. ate}. You onlyr need to draw the orbitals for the oentrai esrbon atom, not all three. z" @fl Alp: A f I' I II" In“ / 1What is the approximate bond angle between the hybrid orbitals of this earb'on atom?r not“ lfl. {lfl pts] Provido all offl'xe-appropriato resonanoo struomros for the following compounds. You do not mood to indicate: olootron movement to answer this question. Simply draw the appropriato skolotal su'uotureo: 1 o ...__,.. H I 'I / HA F'\ a” I mi ‘1 “EM C5 *— 11. [3 pts} Draw the molecular structure of l-propylainine {CH3CH2CH3NH3}. Be sure to eiearly indieate the bond gEDn‘tBtt‘y of the earbon and nitrogen atoms using wedges and straightr'dashed lines. Indicate the poiarity of the (3-H bond using a direetional arrow {Jr—1*} as well as the appropriate partial charge indicators (ti—I}- ...
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CHEM2211Exam1Key - L&amp;lt;E last. NAME 1D# first...

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