ochem 1 exam 1 - "' ^'- s' - tlr\ -3,2,...

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1) Draw Lewis structures for the following molecular formulas. (20 pts) (a) oz (b) Nz t+-., - h ' P'- q .,N.=N: (c) CzOqHz (d) cH+o ;u.1. it /\ - i: i F\€Y-ri H -d.' \r (),. 1-l 1 H-C I
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, i-j ! , li , i r- (, ! l i r,;:1 _ I Il L,-rk- 'I !'^ ",i'{ " ;,,F1--. , for the given structures s the major contributor. (20 )" 4" ')/, ''- i 2) Draw the other major resonance structure below. Also indicate which of the structures i pts) (a) w loiH Jre,., ,h* Major Major Major (b) (c) (d) N lrl NLE, I Htbr+ Yg' aAr, K Major<== {i.rL*,- €r1, :.ov / /rQ Major Major Major
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3) Draw the n-orbitals for formaldehyde (CHzO). (10 pts) 4) Provide the IUPAC name for the following branched alkanes. (10 pts) (.-fA'-,\ - z
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Unformatted text preview: &quot;' ^'- s' - tlr\ -3,2, 4-T;,wx\ lotr* &quot; 5) For the following haloalkane show Newman projections for every 60&quot; of rotation about bond indicated. Then provide an energy diagram roitne conformations comparing their relative energies. stari witn tne dihedral angle of Cl-C-C-Br = 0'. (20 pts) {-&gt; I &quot;t ? \rJ t)-4.s. /t\ /}}$ vi lr ) &amp;r ^i( q !--ft. .7rt ?- Ht il ErW 'Z{(D ., L(F /f\ 3(&gt;o(lh ri tlt r., '&amp;-ai.*-r-!il'' H .g /' ^h 6) Draw the two chair conformations of the circle which of the two (if either) is lower in QHs HsC CHa a r H Ulj given cyclohexane ring and energy . (20 pts) (L\^-ala-&quot;'-----. CHs...
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This note was uploaded on 10/09/2010 for the course CH 310M taught by Professor Iverson during the Spring '05 term at University of Texas at Austin.

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ochem 1 exam 1 - &amp;amp;quot;' ^'- s' - tlr\ -3,2,...

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