University:
Augusta University
Course:
CHEM 1441 | General Chemistry
Academic year:

2022
Views:

422

Pages:

6
Author:

Kevin Riddle

PART А (30%) l. Wl1ich сошЬiпаtiоп results iп the foпnation оfап ioпic coшpound? шсtа s an поп-шсtаls Ь. попшеtаls апd seшi-шetals с. two metaJs d. two 11011-metals 2. Which is tl1e siшplest type of ioпic co111pouпd foп11ed опlу betweeп опе type of metal iоп апd опе type of 11011-шetal iоп? а. Diatomic iпагу с. Molecule d. polyatoшic iоп 3. Accordiпg to tl1e octet гпlе l10w niaпy vale11ce electJ'Oпs do шost of tl1e 111аiп gгoup t,,Ot?5 t;le1ne11ts have? а. 2 Ь. 8 с. 18 d. 26 4. Wliicl1 lias а dol1Ьle bo11d? а. Cl2 Ь. Н2 с. N2 d. S2 5. Which со111Ьiпаtiоп results iп the foпnatioп of а covaleпt сошрош1d? а. шetals апd non-шetals Ь. попшеtаls апd se111i-111etals с. two шetals ti. t,vo поп-шеtаls 6. Which Ьопd has the stroпgest dipole? а. S-CI 2.<;- 3,0 2.s-2..s Ь. S-1 S-0 2.S--з.S d. S-P 2 : .s-2.1 o,S С> /. о v о.ч 7. Тhе siшplest uпit of а covalent сошроuпd is called а(п) _. а. Аtош Ь. fошшlа uпit с. iоп LI. 111olecL1ie 8. Wl1ich oftl1e states ofшatter is tl1e шost гigid? а. Eleшent Ь. Gas с. Liquid Solid 9. Wl1icl1 шolecнlar slшpe i-esults wl1en the1·e ai-e tl1i-ee bonding pairs and zero lone pai1·s aroLшd the central аtош? а. Bent Ь. Liпear trigoлal plш1ar d. trigoпal pyra111idal {§;;_ 1 О. Whicl1 type of boпding resнlls fro111 the traпsfer of electгoпs? а. Covaleпt Ь. l1ydroge11 boпdiпg с. io11ic d. Lo11do11 dispeгsioп 11. Wl1icl1 state of 111atter has the greatest compressibility? Еlешепt Gus с. Liqнid d. Solid 12. Whicl1 is the siшplest whole ш1it ofan ioпic co111pou11d? а. Аtош с. iоп d. 1110lecule 13. Wli.ich is the name ofthe plшse chaпge fro111 а gas to а solid? а. Coпdeпsation Dcpositio11 с. reezing d. SuЬlimation 14. W\1icl1 oftl1e followiпg is t]1e11ame ofthe phase chaпge from а liqнid to а gas? а. Co11de11satio11 Ь. Meltiпg с. SuЫimatioп d Vapшizatior1 15. Whicl1 is а11 acid? а. HBr(g) Ь. llCIU!-чJ с. NаОН(•ч> d. NaCl(sJ PART В (70%) 1 Coшplete the followi11g tаЬ\е. (,,a\ue 30%) Nаше Forшula 1 а2О sodiu""- ox;d(.. 2 Мgз(РО4)2 Mc:..q r'\fS; UM 3 CuS с.оРРt,г <11) 4 S11(Cr2O1)2•7 Н2О s СН4 6 Р4О10 7 НNОз(аq) 8 HBr 9 АК\3 10 11 12 13 14 15 (NHч)�SCai Fe. С '\;rO;)� 'РЬО, • 2 \.\, о SF7.. С\.\�ь\-\ \.\2. SОч(а,) phospkt-k_ svlнck -l-iv1 (1>1) didгo�G\k he�kчJnik. rne""-0"'� t:€ frь_ ph6�phorcJ S. de_c,_oc,,t.ide... ni if"',L o.c.;d hчдv-oqe."'- 'oco�·,JL , alumi11шn chloride ашшопiшn su\fate iтоп (III) broшate \ead (IV) oxide dil1ydгate sнlfur difluoride metl1anol su I fнric acid 2 (valuc 8%) Draw Lewis Dot diagraшs fог the followiпg; н н н:ё::ё:н 3 Dгaw 3 dimensioпal stн1ctшal diag1·ams for the folJowing molecules and label with the electroпegativities of the atoшs. Name tl1e sl1ape of tl1e 1110lect1le апd lпdicate whether от поt each nюlecule !1as а шolect1lar dipole and explain why or why 1101. (value 10%) •• ВСlз :с,: .. �:(!� С.1 3.ь вz.о 1 / с13.ь 'сtз.о /Гijor,a,\ 1'anQr - No �сtд� ctf� kc� tk 6lo._;x- � л�l ,-;c_J) · Cl20 : ё�,· . . . ,-: 4 Explain tl1e followiag tгепd iп boiliпg points. (value 10%) РНз АsНз NНз SЬНз 175К 210К 240К 260К g .-8,5 .S ] зoor-------_ _sьн3_ _ 250 i-------_N'Hз _ AsH Z()O 150 t-------' -PH3- 3 100 r-----_J 50 r--------' o�--__J GroupSA (value 6%)