On the basis of the 18-electron rule, identify the first-row transition metal for each of the following: a. [M(CO);]+ b. H;CM(CO); c. M(CO),(CS)(PPh;)Br
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- 1.) Using HSAB principle, explainwhy a large interhalogen species can be stabilized by a large counter ion such as AsPh4- 2.) Using VSEPR, propose a structure for the polyiodide product. Also propose structures for the interhalogen species ICL2(-), IF4(-), and IF6(-)6. In which of the following compounds manganees shows maximum radius:- (1J MnO2 (2) KMNO4 (3) MnO (4) K3[Mn(CN)g][o Consider the reaction scheme below. Me Me of 210 210 COMI20 OH Hola Holensal,d bus 9 (ii) Explain briefly the observed regioselectivity. Iviz gniw 11 toshsvo beiniinoo noitz9 H® (cat.) With reference to the following reaction scheme: [monqo 1250 901 ayawis luna no br Me NaBH4, Et₂O (i) Draw a curved arrow mechanism to explain the transformation of 9 into 10. of main Me 101 anoitiba Ho HO Me, O Me 10 100 10 Stone & arq tot abortom saogo atowens 1004 Viitzut vford bre ooort mott gnis2 H) osogor (1) Me Miel Me 12 * OH (i) Draw Newman projections for the two lowest energy conformations of ketone 11. (ii) Considering your answer to part (i), identify which is the most reactive conformation of 11 and explain your choice. (iii) Indicate the stereochemistry (at C*) of the major diastereoisomer of alcohol 12. Use appropriate strereochemical drawings to explain your answer.
- Consider the couples l2/1¯ and S4O6²/S2O3?-. 2 is brown in water-solution, and the other three species are colourless. It is found that if a solution of iodine is mixed with excess of the reductant 3. in the S.O6-/S203?- couple, the iodine is reduced to iodide ion, r. a) Which is the reductant in the S406-/S2032- couple? b) What observation would show that iodine has been reduced by the reductant in the S406-/S203- couple? c) Write the balanced equation for the reaction described above. 9/ 11Suppose we introduce the following pointdefects.(a) Mg2+ ions substitute for yttrium ionsin Y2O3; (b) Fe3+ ions substitute for magnesiumions in MgO;(c) Li1+ ions substitute for magnesiumions in MgO; and(d) Fe2+ ions replace sodium ions inNaCl.What other changes in each structuremight be necessary to maintain a chargebalance? Explain.which of the following has the greatest No. of unpaired electron? Select one: а. Mn(CN).J?- b. [Co(en),*+ С. [CUCL,2- d. FECLJ3-
- what is the thore tical vicld of vanadium that can be pro duced by the reaction of 40.09 of V 205 with 40.0s of calcium based on the followin) chemilal reaction V 205 CS) +5 CAl C) y 2VO) t5 CaO cs) a-) 1.2g bJ 22ug c)s bg d.) 40.03 e) 20:35Give the number of delectrons (nof dn) for the centralmetal ion in (a) [TiCl6]2-; (b) K[AuCl4]; (c) [RhCl6]3-Which one of the following formula/name pairs is incorrect? A. [Co(N;)(NH;);]SO, pentaammineazidocobalt(III) sulfate B. VC:(CH;CN);, trichlorotri(acetonitrile)vanadium(III) C. [Cu(NH;).][BF«], tetraamminecopper(I) tetrafluoroborate D. Na[AIC1,], sodium tetrachloroaluminate(1-) E. [Co(en):(CO,)]CI, carbonatobis(ethylenediamine)cobalt(1+) chloride
- OneLogin B Problem Set Metals and Coordin X DownloadAttachment ps://bconline.broward.edu/d2l/le/content/460959/viewContent/12468049/View BROWARD COLLEGE | CHM1046 GEN CHEM II ENHANCED.. 83 se Home Content Grades Communication v Tools v Resources v Contents Metals and Coordination Compounds » Problem Set Metals and Coordination Compounds blem Set Metals and Coordination Compounds and its 3) In the coordination compound [Pt(NH:):Cla], the oxidation number of Pt is coordination number isWhat are the oxidation states of sulphur in the following sequence of compounds, from left to right? strontium sulfate; Rb,SO, SO, SO,. O +6; +4; +6; +4 O +6; +4; +4; +6 O +4; +4; +4; +6 O +4; +6; +6; +4 O +4; +6; +4;-6Which of the following electron distributions will be expected for [Rh(en)3]3+? Rhº:[Kr]5s²4d7 O A. (tzg^leg? O B. (t2gle® O C.(t2le,° D. (t2g)?(eg)ª