THE ANSWER OF FIRST QUESTION MAINLY DEPEND ON THE CONCEPT OF TRANSITION OD d ELECTRON .
AND THE SECOND QUESTIONS ANSWER DEPEND ON THE CONCEPT OF SPLITTING OF d ORBITAL BY THE
LIGAND .
(a) Explain why [Fe(H20)6]5* is colored and (Nb(H20)6] is not (b) What kind of crystal field...
(a) Explain why [Fe(H2O)6]5+ is colored and [Nb(H20)6]5+ is not. (b) What kind of crystal field (Ao large or small) the NH3 ligands are creating if there are only 4 unpaired electrons in [Fe(H20)6]2+ complex ion ? Explain
(c) Tптичи погоогоТТІ (a) Explain why [Fe(H2O).]5+ is colored and [Nb(H20)6]5+ is not. (b) What kind of crystal field (Ao large or small) the NH3 ligands are creating if there are only 4 unpaired electrons in [Fe(H20)6]2+ complex ion ? Explain
6. a) Which complex ion should have the larger crystal field splitting, A? Explain why. [Cr(H20).13+ or [CrCl.13- b) Which complex ion should absorb light of shorter wavelength? Explain why. [Cr(H20)613+ or [CrC1613 -
.. Fe is identified by the rapid formation of the intensely colored pentaaquathio-cyanatoiron (III) complex ion, [Fe(H,O),SCN , which forms when tiocyante, SCN, is added to a solution containing heaaquairon (III), [Fe(H,0).J. Use the information and diagram to answer the following questions: Absorbance 300 400 500 600 700 Wavelength (nm) FIGURE a Absorption Spectrum of [Fe(H20),SCN)2+ A Molecular Approach 4le Tro a) Determine the color of the aqueous solution of [Fe(HO),SCN b) Calculate the crystal field splitting energy of [Fe(H,0),SCN]...
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...
2. a. Draw and show the crystal field splitting of the d orbitals in an octahedral complex, a tetrahedral complex, and in a square planar complex.(clearly label the orbitals) b. Explain the difference in the following crystal field splitting values (1) Co(NH3).]2+ 10200 cm"! : [CO(NH3).]* 22,900 cm (ii) [Cr(H20).]** 17,400 cm. ; [Cr(CN).]3-26,600 cm (iii) [MnF6]?- 22,200 cm-"; [ReF.]?- 27,800 cm- (iv) [Co(NH3).]2+ 10,200 cm '; [Co(NH3)4]2+ 5,900 cm c. Draw and show the filling of 6 d electrons...
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)...
can
anyone please confirm my answers for 5&6? And can you explain
how to fill in the electrons for 7? Please and Thank you.
5. The values of A, for some coordination complexes are given below. (a) [Fe(ox)) --- 14,100 cm-1 (ox-oxalato ligand-----weak ligand] (b) [Fe(CN).-----35,000 cm ©) [Fe(CN)6]* -----33,800 cm (1) Explain reason(s) why A. of complex (a) and (b) are different (ii) Explain reason(s) why 4, of complex (b) and (c) are different 6. Answer the following questions...
Date: 1117 mework 10 - Ch. 21-23 A) CN B)NO c)r D) CO Name: E ) en 24. Place the ligands, CN-, Br., H2O, and OH-in order from least to greatest according ability to split the d orbital energy level. A) CN-, OH, H2O, Br- C) Br,H20, CN-, OH- B) Br., OH, H2O, CN- D) None of the above 25. The charge on the central metal ion in (Cr(NH3)(CO3)2+ is A)-1. B) 0. C) 1. D) 3. E) 5 26....
Consider Fe^2+, Fe^3+, and Zn^2+: a. Write the electron configuration for each ion. b. Explain why zinc, unlike iron, is unlikely to have additional oxidation states, such as Zn^+ or Zn^3+. 5. The absorption maximum for the complex ion [Co(NH_5)_6]^3+ occurs at 477 nm. a. Calculate the crystal held splitting energy in kj/mole. b. What color will the compound be?