3. Name the following salts of the transition and post-transition elements using the Stock system. e. CUCO3 i. MnSO4 m. CrPO, n. CRSO, 6H,0 0. Co,(CO;), 1. Hg(NO3), H,0 p. COSO,-7H,0 a. Fe(OH), c. FESO, 7H,0 g. Sn(NO,)2 h. Sn(SO4)2 k. Hg,(NO3)2 d. CUCN 11 uuing ternary acids.
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- MeONa NaN 7 Fe 7 Sn N.14. The oxidation number (O.N.) and coordination number (C.N.) of chromium in the coordination compound [Cr(en)2Br2]NO2 are ___ and ___, respectively. A. O.N. = +2 C.N. = 4 B. O.N. = +2 C.N. = 6 C. O.N. = +3 C.N. = 4 D. O.N. = +3 C.N. = 6 I know the answer is D. I just need a deep explanation please!) - 11. Tin does not react with iron(II) oxide, but it does reduce lead(II) oxide to lead. What is the correct arrangement of the metals in order of decreasing reactivity? A. tin, lead, iron B. iron, tin, lead C. lead, iron, tin D. tin, iron, lead 3
- Balance the following equationsbot 3. Iron(II) ion (Fe°*) reacts with thiocyanate ion (SCN¯) to form a red complex ion with the formula [FESCN]2+. The net ionic equation describing this reaction is given in Equation 10. eH MC () Fe+ (aq, It. yellow) + SCN (aq, colorless)=[FESCN]²+ (aq, red) 12+ (Eq. 10) A student studying this equilibrium begins with an equilibrium mixture that is light pink. (1) What change will the student observe when a solution containing Fe³+ ion is added to this mixture?> @ 8 N 2 W S Part A Name the following: [Pt(H₂O)4F2]F2 O tetraaquadifluoroplatinum (IV) fluoride O tetraaquadifluoroplatinate difluoride O platinum(II) difluorotetrahydride difluoride O platinum (II) fluoride O platinum(III) tetraaquadifluoro fluoride Submit Request Answer Provide Feedback #3 C E D $ 4 G Search or type URL R F % 5 MacBook Pro T A 6 G Y & 7 H * 00 U 8 J 9 1
- Pb(NO3)2 + Ni(en)1(H20)4SO4 ------> Pb(SO4)(s) + 2NO31- + Ni2+ + 4H2O + 1 enb. How many grams of your nickel complex should you use in order to make 1.25 g PbSO4? Yourcompound should be the limiting reagent in this reaction. Remember to show all yourcalculations in the spaces provided.c. How many milliliters of 0.10 M Pb(NO3)2 should be used to make this reagent in 10% moleexcess?2. KCIO3 KCI 02 3. NaCl + F2 > NaF + Clz Ag20 > Ag + O2 Cal2 CaO + MnI4 MnO2 + 5. 4.Unpaired electrons = 0 Example 6. Why does Mn(II) show maximum paramagnetic character amongst the bivalent ions of the first transition series? Calculate the theoretical value of magnetic moment. tent. mons Sol. a ICH J ( muc vam Cach S
- 6 .. C. Reactivity of metals: 1. Observations (Indicate whether the reaction occurred, the vigor, extent and speed): Al Cu Zn a. No reaction b.No reaction Cu is least reactive Al,(SO.); then Al2 therefore Cu is not able to displace Al from solution C. 3Cu+Al,(SO,)3 d.Cu + ZnSO4 Al is more reactive CuSO, than Cu thus Al displaces Cu in solution eAl,(SO,), + Zn f.No Reaction ZnSO, i. h. g. H,SO, not ionic equation for the reactions above.Consider the coordination compound, K2[Cu(CN)4]. Between which species a coordinate covalent bond exists? a.Cu2+ and CN- b.K+ and CN- c.K+ and Cu2+ d. C and N in CN-2. Determine the formula for: a. Hexaaquachromium(III) sulfate b. Bis(ethylenediamine)dibromoplatinum(IV) nitrate c. Diamminediaquaiodochloroaluminum tris(oxalato)cobaltate(lI)