4. The solution of the HMOs for the allyl cation gives the following in order of increasing electronic energy: H₂C + CH2 ¥₁ = (1/2) 1 + [1/(SQRT 2)] 2 + (1/2) 03 ¥2 = [1/(SQRT 2)] 1 - [1/(SQRT 2)] $3 = - Y3 (1/2) 01 [1/(SQRT 2)] 2 + (1/2) 03 Given these solutions, draw the three MOs with the correct phases and relative sizes. (10 points)
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- Represent the structures of pericyclic reactions. Also represent the molecular orbitals. Is the process conrotatory or disrotatory?What is the Delta G for the reaction N2O4>2NO (kc= 0.144 at 298K and R=8.314) A)-4.80 Kj/mol B) -4.80 J/mol C) 4.80 Kj/molAccording to the IR spectroscopy results of [Co(NH3)5ONO]Cl2 and [Co(NH3)5NO2]Cl2 complexes, the symmetrical and asymmetrical NO stretching vibrations found for one of the complexes (I) are 1315 and 1430 cm-1, respectively, for the other complex (II). these values are 1065 and 1430 cm-1, respectively. According to the data, complex (I) is …………… and complex (II) is ………….
- Predict whether the following complexes would show Jahn-Teller distortion: Ammonium pentachlorooxidochromate(V), meff = 1.8 mB Potassium hexaiodidomanganate(IV), meff = 3.8 mB Potassium hexachoridocuprate(II), meff = 1.8 mB Hexaaquamanganese(II) chloride, meff = 6.0 mBChemistry Arrange the following reactions in order of increasing DSrxn values--without any data besides the reactions. Briefly explain the reasoning behind the ordering of reactions. (a) N2 (g) + 3 H2 (g) --> 2 NH3 (g) (b) H2 (g) + I2 (g) --> 2 HI (g) (c) CO (g) + 2 H2 (g) --> CH3OH (l) (d) CH3OH (g) --> CO (g) + 2 H2 (g) (e) 2 H2 (g) + O2 (g) ® 2 H2O (g)Giventhefollowingsetofreactionsandtheirenthalpies,drawtheBorn-Habercyclefortheformationof LiCl(s)anddeterminethelatticeenergyforLiCl.Reactions:H (in kJ)(1)Li(s)Li(g);Hs= 161;(2) Li(g)Li+(g)+e–;IE= 520;(3) ½Cl2(g)Cl(g);½BE =121.5;(4)Cl(g)+ e–Cl–(g);EA= –349;(5)Li+(g)+ Cl–(g)LiCl(s);UL= ?(UL= latticeenergy)(6) Li(s)+ ½ Cl2(g)LiCl(s);Hof=–408.6._______________________________________________________________________________
- Show how to use the microanalysis data to determine the number of cod (C8H12) ligands per Pd. C, 33.65%; H, 4.24%; N, 0.00%; Pd, 37.27%.1.Describe the attractive and repulsive interactions that contribute to causing the observed electronic , magnetic and structural differences between [Ni(CN)4]2- and [NiBr4]2- . 2.Why are there 8 C3 operations listed together in the Oh character table ?*The options for Kc and the concentration of N2 are increases, decreases and remain the same. *the options for Qc are is greater to, is equal to, or is less than
- the hexaquanickel(II) has a delta oct of 8,500cm-1. Calculate the CFSE of this complex with your answer as cm-11H NMR spectrum of (C5H5)2Fe(CO)2 shows two peaks of equal area at room temperature, but has four resonances of relative intensity 5:2:2:1 at low temperatures. Explain this thinking about C5H5 ligand haptisity?Predict deltarH for this reaction: C2H4(g) + H2O(l) -> C2H5OH(l) using the enthalpy changes of the following reactions: C2H4(g) + 3O2(g) -> 2CO2(g) + 2 H2O(l); deltarH = -1411.1 kJ/mol-rxn C2H5OH(l) + 3O2(g) -> 2CO2 + 3 H2O(l); deltarH = -1367.5 kJ/mol-rxn Report your answer with units of kJ/mol-rxnIf you number is negative, include the negative symbol. If your number is positive, do not include the positive symbol.