UCF CHM 2046 - Molecular Structure and Bonding

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r;cs-motecutar JltrucJure ~ 8?ncitng * W Y\lCt\ mo\~CUl~ ha& ·emcfltJ J unsharccl (lone) pa1rs oP e-. on central ttiDm! A)6F3 fb)O~ C)i'-JFa D)xeFa B F 3 .= 3 t- ( 1 x J) =a <f ve-, . : ·~; _. _ N c +-~~ (::; ~ .. : F :_ uoSMft:D • • • .. '!' 1 0 f ~ ; (o t ( 1 xa) ::: b? o \j e-1 c .... Q . , e:<actl 0 G ; ~ /};;; ~.: looe pai(S 01) ot~geo -* Co ns)D~ ( Le UjiJ' structure fo ( C H-0C 1.. v\1 naJ JS the beJt vJ~Crtp·hon Df -tN motecu tctr Shope? u .. r A }Ben+ 6) &q uore c)squarf .D}tetrahediat p~r t\mdal . -.Jt I he fact t11at scr a ;s a plana. r m o lecute vvh tl€ N~~ 1J pyrmmKilll car1 be explcunecl several 1)ttt. wa yJ~. v\ln lC h statement 15 -the bett-r ah ono 1, zcrnvn? • 0 : c \ ·. . •"--• ,-... 0 0 : Cl : 6 ~ C I : .. .. " r· \ c , .. ,. v ·-.'! ' .... ~ C i : K\ ~ C I ~ . . .. . " ~ ,, 11 c__y Ans: -y ne I\.{ I-/ r ogen Cti om h~~ o l 00 e ~' r wn t \€ ''6 r does . not ..l(" Pt ccor Q\f\q to VSEPte m ODel1 i hf geomeir \ c ()tr uctu r( of H ~ 0 l J· ... H :0: H t-1 ; a·: ~ H Ans. E-eot at an anq lf o-P l 04 ~5 bl c of -rne greatfr ffputJ·Jo'h of a lone pa1rs relanve . iD tt1at of -bOA a bon bt re PO IrS· -1: su 1 tu ( 1)1 o 1.1 De can be DfJ'Cr i bed by the St(uc·tur-es J'hown. Tn ~~ ~·~ rnbOI 1nd 1ca·tt f ihat ... r. ~ Q • ,., ,. 0 • t' I(' { )(1\ .0 ,. ... o~Vf\U• . ~ "'!____. • fit :..;:-...... f-) ; 0 : s : : {) ~ .. . A ns: ~ _ borr-DS _JD~ SDdA(e .of" .equal Jenq hi) o t-hf-~eJectfo_n tc D.ls-trLburLo_n = 'n lh~ t _\A.ID ~ utf-\JJ-_to-: OX\ftjtf\ bo_r'\d s. i\f_ roentzcal. , Th ~ s r-ec~n 1zes ·thC\t th-e ~ rJond\.)' are JD--ennccll . 'ne neeci -to nraw Q f'of mJ) re-P!ectJ o 11 mtiett~on of .flrre L-ew1~ l))f w mDal. ->~ f1 compoonD conr1snn.q of an eltlnfnt hav1nq a low t onrz.at-Lo n -en'€rqy cA a recond i? /tment h~ v' nq a h '9h e \ectron o.·Pfi n rty 1o· 11 k£ 1 y to no.~e A) Cova \frli bQ(YDS_ _ -bJ me to I LLC bo()dJ1 c) coorD\nct-tf e_ov_gl-eot ~. 12) l.Of\ tC boncilf ~DflDS ~ '€ \ f men+ s (,\)I t OJv 1 D t111ctt' o () -e. ne (g \/-(-eo. D d ~ l_bSe . e-+o f O( m ~ -t-) t o~s. · . o~\trnfntJ W\ t)lg}l e· C\ff-llllt~ ftCXDlly ucceot e-toform (-) 1ons. - 1 on' c bor\DS ·, r-esut+ "''h-en Qtom_r~ fxrhans-e e-. -covartnt bonDs: rtsutf V\J)\en C\toms ectch rontrt bvt-e ~ OJ) e-tD iA ·Shctreo pcur. - coofb\rtcttt covoJen-t bonds·. A rf S'; 1nllar exc-ept _ on-e Df the a atoms f v r rHsn es both -e-. -m-e-ta lllC bonD~·. r-esotf wntn atom~ fr-e-e one 0 ( rno(t ve-1-o -tne metaJ ta1Ttc-e .. Ans:JDnlc. bonos. * lhf compounD lf0 CH CIF 1~ bt'inq COt'lSiDt'ft'D aS a (tplac-ement for C~f F3 ClS C\ f1re -eXtlnquifn' 1nq ctqen1· IJ}C CfjrF3 na.s DtfJ} Jhocun i o DePit'it Strictospn-erlc ozone. v\/nett Gl(f tht most prv-mb\'f 1J(ouuCij" rf a nlct-ecCie of c F3CHCIF 1S oo mJJorDeo wJ h '0n -en-ergy Photons? A) Cf3tCHC\F · ~).CfaCHCliF '-/ t H • 'd v• · f ~t=C1:J . DJ L f (3 c L \ F t H c -c c~c.' C-F c-H ~:)<I '681 <1eo 1ll t~ · _ffiO\ -I • cho,cf C resu\tJ from bffetk-t(Yj a_ c -c I bonu) thf bono (<tlUI ( t nQ the \fOJt frrerg~ of the CIID\ c-es 91 ven.~A s)mpli' methco oP JhDw"lJ exper;men·tc1t !J -tilat a ~·o\ID tS'UbStanc--e mo.~ b·e ron,C I 6' to ShOW that l t-.. · .. ~ 11) has h\9h m-e\t-trq pou1t 13) 1~ SD lu b~-e.. 'n pbla r J'DJ venTs c) nepre~.s\se~ fr-fe z '0Q po 'n-r o-f Hz.o cunduc:tu currenT wnen dJS<SDlveo )n H-2.D o som-e lrq v 1 DS J. f) a~t o UJ0 co va 1 ent corn ceOtct w/ H t 0 to form J o ns; n-enc t1 il~-e ()eces of \ n c: l UP ' "9-t h t worD ~, o lt o '' , * ·\J\1 n 1 t h 1 s non-oa Jar '? A) H"' -c = o _.,. 8) 1-t .- _o \ H -~ F, ~1--1.;::__!) c := ( -..... -/ J-1=. D) I -8( I 0Thf pull of OX ~9 en 0() ·th'f e-J'har-ec( w/ car bon Hf no-r can ctt -ec4 .fr om i h-e ott"-er ~~oe. J'D ri'J polar. ullm'f for /3d']) F o r w h 1 c h m o L-e CJJ if_ c-o. n -t ll e b o n D 1 n 3 -e de~ cr 1 btd 1 n --rer m.J> o-f sp 3 h y br 1 Ci Dr b;i_Ol )S _ Df t"f\"'t Cf_()-t( ctl at~D tn. . IT)SFu e,)eF3 c)pC/5 @Ntt3 -·,J JVJ-JCI JO pt J0~4 e: d.J' l> 11 I+ QJ.. u Goo u () < _ A i. J v J • a-w, · SUHJtb udbo ,~il+l s (m · J\u J OJ.f _J A f; I (Y1 c wa.ro uJ.bo u ti'J tJ 'ti ·uoJpJ.lOJ LJ..J ~ k7 JO s· JJ.u JOJ Jt/--f o J0.1llJ... PJ~UJ, 1 o J'/12f..' q J a . ron bJ b J.t?l l?LU Q_J.. s I Q/,1 q ,, 0 d £. '(J , D--l. IQ) a s I JUO pJJ.U L10h ( J'ro-f.IQJO OIJOAll tOdS' lJJJOf


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UCF CHM 2046 - Molecular Structure and Bonding

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