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- The Racah parameter B for [Co(CN)6]3−=460cm−1, and [Co(NH3)6]3+= 615cm−1. Explain the difference in nephelauxetic effect. Thank you!10:29 0. O O 86%i AIATS For Two Year Medic. A 70 /180 02:54 hr min Mark for Review Consider the following resonating structures (1) (II) (II) The decreasing order of their stability is || > | > III |> II| > || I| > II| > | III > || > I Clear Response IIIThe UV-vis. absorption spectrum of an aqueous solution of [Mn(OH2)6]2* displays a large number of d-d absorption bands in the visible region (all ɛ < 0.1 M-1 cm-1). i) Determine the Russell-Saunders ground state term for the Mn(II) free ion. Show your working. ii) Write down the selection rules that govern electronic transitions. iii) With reference to part ii), explain the magnitude of the molar absorption coefficients for [Mn(OH2)6]2*. To illustrate your answer, show that one of the excited state terms for Mn(II) free ion is 4G.
- Kp of this quation 2A+3B=4C+5Dcalculat dlta E for each complex Trans complex : G= 355 microsiemens λ= 450 nm Cis complex : G=250 microsiemens λ=500 nm.The two structures for Iron - penta - carbonyl: Ço OC. oc-Fe" oc co (A) (B) .Structure A has a rCO = 2A1 + B1 + E .Structure B has a rCO = 2A'1+ E' + A"2 The IR spectrum of Fe(CO)5 gave 3 different CO stretches at 1521 cm-1, 1548 cm-1 and 1732 cm-1 1. What of the 2 structures is observed and why that structure? and what could be seen of this compound in a raman spectro?
- (b) The formula that relates the spin only magnetic moment (en) to the number of unpaired d-electrons (x) is: Heft = √√x(x+2) (1) For each of the following complexes, use this formula to calculate the number of unpaired electrons: Nan[Rh(CO)4], Hell0 BM Rb₂lMoBrn), Heft=2.83 BM (ii) Using the answers from part (b)(i): • Draw crystal field d-orbital energy level diagrams for each complex. • State the oxidation state of the metal in each complex. • Determine the value of n for each complex.Looking at a d6 Tanabe-Sugano diagram needed to assign the electronic transistion that corresponds to (lambda)max off 550 nm. Give that the Racah parameter for the iron complex in this complex is 848 cm^-1, determine the lighand field parameter in cm^-1 for the complex in the spin-state associated with lambda max. complex: [Fe(NH2trz)3]Cl2·2H2OCa(QCI)2 + 2 CH3COOH E-> 2HOCI + (CH3COO)2Ca|
- The value of 10Dq in the complex K3[Co(C204)3] is ~=-m~=-- the * complex [Co(H20)6]CI3 less than in O bigger than in O equal to O The complex [Co(H20)6]CI2 is less stable than the complex * [Zn(H20)6]CI2 Error |:| true |:| The Na2[CoBr4] complex is more * stable than the K2[CoCl4] complex Error |:| true |:|INORGANIC Chemistry Starting product was [(Me5dien)CoCl2] and reacted with NaSCN to produce [(Me5dien)Co(SCN)2] Using the graphs attached, the IR data tells you that the binding mode is N coordination. How does the IR data agree (or disagree) with the peak shifts (Uv-Vis spect) IR Product 1, [(Me5dien)CoCl2] 29041.04, 2812.76, 2761.62 cm-1 (carbon bond) 1457.35 cm-1 (CH2) 1263.91 cm-1 (possibly C-N stretch) Product 2, [(Me5dien)Co(SCN)2] 2968.54-2870.67 cm-1 (C-C) 2059.41 cm-1 (N=C=S) 1470.28 cm-1 (CH2) Uv-vis [(Me5dien)CoCl2] Peak A: 531.8 nm, 0.722 Abs Peak B: 609.7 nm, 0.666 Abs [(Me5dien)Co(SCN)2] Peak A: 510.20 nm, 0.357 Abs Peak B: 608.20 nm, 0.401 Abs1. The IR frequency of C≡N¯ in fac-[IrCl3(C≡N)3] is 2200 cm-1. Estimate the IRfrequency of C≡N¯ for fac-[IrF3(C≡N)3] with an explanation.2. State TWO (2) organometallic reactions that involve the concept of d ―p bonding.