Homework Answers
(a)Spectrochemical
series:- It's the series of ligand in which we arrange all the
ligands according to their strength to form complex compound.
If ∆o>pairing energy (pairing takes place)
If ∆o< pairing energy (no pairing takes place)
In above question it is given that ∆o= 22000cm^-1& pairing energy is 16500cm^-1 means ∆o >pairing energy....so pairing is takes place.
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4. a) What is the spectrochemical series? A cgordination compound in an octahedral field has...
Using the spectrochemical series, fill the electrons in the correct crystal field diagram (shown below) for...
Using the spectrochemical series, fill the electrons in the
correct crystal field diagram (shown below) for the following
complex. Is this complex high spin or low spin complex? Also
predict is the compound is paramagnetic or diamagnetic.
Spectrochemical Series I<Br<C1<F-<OH<H2O<NH3<en< NO2 <CN<CO [Co(en)3]3+ or dxz dyz dxy de dx²-y? d22 dx?-? dxz dyz dxy
Which dorbital configuration has the highest crystal field stabilization energy (CFSE) in a low spin octahedral...
Which dorbital configuration has the highest crystal field stabilization energy (CFSE) in a low spin octahedral crystal field? d4 d3 d6 ОООО g8 d? Predic whether the following complex is diamagnetic or paramagentic. 72+ paramagnetic need more information to answer this question diamagnetic The magnetic property of a transition metal complex can be predicted using crystal field theory. If we assume that the magnetic moment arises entirely from unpaired electron spins then the "spin only magnetic moment (us) is given...
VIU x 10.6 pts.) The spin only magnetic moment of a certain octahedral Cr(III) complex is...
VIU x 10.6 pts.) The spin only magnetic moment of a certain octahedral Cr(III) complex is 4.05 He. What is the d-electron configuration of the Cr(III) ion?. 13 z X11. (6 pts.) The oxides (MO) of some 3d metals, with octahedral coordination of the metal ion have the following lattice enthalpies (in kJ/mol): MnO (3810), FeO (3921), COO (3988), NiO (4071), Rationalize the variation in lattice energy across the 3d series in terms of LFSE.iner Ru Co to a
1. What distinguish a transition metal from a main group metal? 2. Why is zinc not...
1. What distinguish a transition metal from a main group metal? 2. Why is zinc not considered a transition metal? 3. Write the electronic configuration of the following ions; V". Cr, Mn, Fe, Ni, Ti" 4. What are basic assumptions of Crystal Field Theory? 5. Compounds containing the Scion are colorless whereas those containing Ti* ion are colored. Explain. 6. Predict the number of unpaired electrons in [Cr(en) ions. 7. What are spectrochemical series? 8. The compound hexaminecobalt(III) chloride is...
1.- Define what are complex ions 2.- Using NiCl as a reactant look in a book...
1.- Define what are complex ions 2.- Using NiCl as a reactant look in a book or in the web for a reaction to form a complex ion, indicate which is the Lewis acid and which is the Lewis base. An example of your answer is this: Ag (aq) + 2NH, (aq) - Ag(NH),(aq) Lewis acid Lewis base 3.- Using the rules of nomenclature name the complex you have proposed in question 2 4.- Indicate the coordination number and geometry...
1. For each of the following complexes, give the electron configurations of the d-type M Os,...
1. For each of the following complexes, give the electron configurations of the d-type M Os, for tetrahedral complexes. Also ie ) (e) for octahedral complexes and (e( ch complex in units of the Bohr , Fe(CN) 3, CoCl , Ni(CO)4, Ti(H2O) +, magnet n f.в Co ( NH3) 3+, Co(FLO)r", Fe(CN) V Fa". Cu(H2O) г., CuCl? , V(CO), Cr(CO) each octahedral complex is high-spi the ligand field theory notes). ust use your judgment as to whether n or low-spin...
4. When an external magnetic field B is applied, a "spin-1" ion has 3 magnetic states...
4. When an external magnetic field B is applied, a "spin-1" ion has 3 magnetic states with energies given Em=aBm, m=-1,0,1, where a is a constant of order a few times the Bohr magneton up = en/(2m). (Note: the notation here is quite different from that of Kittel & Kroemer who use "m" for the elementary magnetic moment which we have denoted a. In our terminology, m=ms is an integer quantum number: m=-1 labels the "spin down" state, m=0 labels...
i can't solve this question of coordination chemistry, could someone hlep me please Exercise 1: 1. What kind(s) o...
i
can't solve this question of coordination chemistry, could someone
hlep me please
Exercise 1: 1. What kind(s) of interaction between the ligand and the metal ion is(are) considered in the crystal field approach? 2. Give and justify the degeneracy lifting for a tetrahedral complex. Would it be the same for an octahedral complex? 3. Let us consider hexaaquacopper(II) ion. Justify the elongation of two opposite Cu-O bonds (along z for example) compared to the other four Cu-O bonds using...
why total orbitals are 6 ?? and please answer the number of orbitals of self test...
why total orbitals are 6 ?? and please answer the number of
orbitals of self test 9c.3
No Brief illustration 90.3 Spin-orbit coupiny The unpaired electron in the ground state of an alkali metal atom has l=0, so j=1. Because the orbital angular momen- tum is zero in this state, the spin-orbit coupling energy is zero (as is confirmed by settingj=s and 1=0 in eqn 9C.4). When the electron is excited to an orbital with I=1, it has orbital angular...
In the complex ion [ML6]n+, Mn+ has five d electrons and L is a strong field...
In the complex ion [ML6]n+, Mn+ has five d electrons and L is a strong field ligand. According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons? A. 0 B. 1 C. 2 D. 3 E. 5 Which one of these complex ions would absorb light with the shortest wavelength? A. [Co(H2O)6]2+ B. [Co(NH3)6]2+ C. [CoF6]4– D. [Co(CN)6]4– E. [Co(en)6]2+ The ion [Co(NH3)6]2+ is octahedral and high spin. This complex is (4pts)...
Using the spectrochemical series, fill the electrons in the
correct crystal field diagram (shown below) for the following
complex. Is this complex high spin or low spin complex? Also
predict is the compound is paramagnetic or diamagnetic.
Spectrochemical Series I<Br<C1<F-<OH<H2O<NH3<en< NO2 <CN<CO [Co(en)3]3+ or dxz dyz dxy de dx²-y? d22 dx?-? dxz dyz dxy
Which dorbital configuration has the highest crystal field stabilization energy (CFSE) in a low spin octahedral crystal field? d4 d3 d6 ОООО g8 d? Predic whether the following complex is diamagnetic or paramagentic. 72+ paramagnetic need more information to answer this question diamagnetic The magnetic property of a transition metal complex can be predicted using crystal field theory. If we assume that the magnetic moment arises entirely from unpaired electron spins then the "spin only magnetic moment (us) is given...
VIU x 10.6 pts.) The spin only magnetic moment of a certain octahedral Cr(III) complex is 4.05 He. What is the d-electron configuration of the Cr(III) ion?. 13 z X11. (6 pts.) The oxides (MO) of some 3d metals, with octahedral coordination of the metal ion have the following lattice enthalpies (in kJ/mol): MnO (3810), FeO (3921), COO (3988), NiO (4071), Rationalize the variation in lattice energy across the 3d series in terms of LFSE.iner Ru Co to a
1. What distinguish a transition metal from a main group metal? 2. Why is zinc not considered a transition metal? 3. Write the electronic configuration of the following ions; V". Cr, Mn, Fe, Ni, Ti" 4. What are basic assumptions of Crystal Field Theory? 5. Compounds containing the Scion are colorless whereas those containing Ti* ion are colored. Explain. 6. Predict the number of unpaired electrons in [Cr(en) ions. 7. What are spectrochemical series? 8. The compound hexaminecobalt(III) chloride is...
1.- Define what are complex ions 2.- Using NiCl as a reactant look in a book or in the web for a reaction to form a complex ion, indicate which is the Lewis acid and which is the Lewis base. An example of your answer is this: Ag (aq) + 2NH, (aq) - Ag(NH),(aq) Lewis acid Lewis base 3.- Using the rules of nomenclature name the complex you have proposed in question 2 4.- Indicate the coordination number and geometry...
1. For each of the following complexes, give the electron configurations of the d-type M Os, for tetrahedral complexes. Also ie ) (e) for octahedral complexes and (e( ch complex in units of the Bohr , Fe(CN) 3, CoCl , Ni(CO)4, Ti(H2O) +, magnet n f.в Co ( NH3) 3+, Co(FLO)r", Fe(CN) V Fa". Cu(H2O) г., CuCl? , V(CO), Cr(CO) each octahedral complex is high-spi the ligand field theory notes). ust use your judgment as to whether n or low-spin...
4. When an external magnetic field B is applied, a "spin-1" ion has 3 magnetic states with energies given Em=aBm, m=-1,0,1, where a is a constant of order a few times the Bohr magneton up = en/(2m). (Note: the notation here is quite different from that of Kittel & Kroemer who use "m" for the elementary magnetic moment which we have denoted a. In our terminology, m=ms is an integer quantum number: m=-1 labels the "spin down" state, m=0 labels...
i
can't solve this question of coordination chemistry, could someone
hlep me please
Exercise 1: 1. What kind(s) of interaction between the ligand and the metal ion is(are) considered in the crystal field approach? 2. Give and justify the degeneracy lifting for a tetrahedral complex. Would it be the same for an octahedral complex? 3. Let us consider hexaaquacopper(II) ion. Justify the elongation of two opposite Cu-O bonds (along z for example) compared to the other four Cu-O bonds using...
why total orbitals are 6 ?? and please answer the number of
orbitals of self test 9c.3
No Brief illustration 90.3 Spin-orbit coupiny The unpaired electron in the ground state of an alkali metal atom has l=0, so j=1. Because the orbital angular momen- tum is zero in this state, the spin-orbit coupling energy is zero (as is confirmed by settingj=s and 1=0 in eqn 9C.4). When the electron is excited to an orbital with I=1, it has orbital angular...
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