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Q: SPh SPh Br H- H. c) d) :CH3 CH3 H-ö:
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- Given compound (d), how much electron/s was/were gained by the oxidizing agent? (Please upload your solution here.) * 1 Add file8) Bipyridine ligands are known to be redox active. Draw the product of the hypothetical reduction of the following molecule where you assume the bpy is getting reduced and not the metal. Draw a static resonance structure showing the positions of any multiple bonds. What might you look for in the solid- state crystal structure (or even a calculated structure) to determine if a bpy is exhibiting redox-active behavior 120 2e0If concentration of [CrO4 ] in Expt. 7 is found to be 6.7 x 105 M, what is the experimental Ksp of Ag,CrO4? a) 3.0 x 1013 b) 6.0 x 1013 c) 1.2 x 1012 d) 1.8 x 108 Ksp of Ag.CrO4 = [Ag]° [CrO,?] Ag,CrO4 2 Ag+(aq) + CrO,-(aq), moles, and concentration, of Ag+ are twice those of Cro Ksp of Ag.CrO, = [Ag"] [CrO,] = [2Cro.1°[CrO,] = [CrO.,*]
- 3. Is the reaction Co(H2O)6²+(aq) + 4 Cl'(aq) → CoCl,²- (aq) + 6 H2O (I) endo or exothermic? Explain.-6 -5 -4 -3 -2 -1 +1 +2 +3 +4 +5 PbsO.(s) + H*(aq) + 2CI (aq) = Pb(s) + HSO. (aq) + Cl2(g)1) Balance the following in acidic solution: (a) Н2О + Sn2+ Н,0 + Sn++ (b) PBO2 + Hg –→ H* + P²+ (c) Al + Cry0; – A+ + Cr+
- Q4(ii)How does the LiAlH(Ot-Bu)3 work with the H3O+?2. The addition of dimethylglyoxime, H₂C4H6O₂N2, to a solution containing nickel(II) ion gives rise to the precipitate, Ni(HC4H6O₂N2)2: N₁²+ + H₂C4H6O₂N₂ → 2H+ + Ni(HC₂H5O₂N2)2 (s) Nickel dimethylglyoxime is a bulky precipitate that is inconvenient to manipulate in amounts greater than 175 mg. The amount of nickel in a type of permanent-magnet alloy ranges between 24% and 35%. Calculate the amount of sample that should not be exceeded when analyzing these alloys for nickel.