(a) Explain why [Fe(H2O)6]5+ is colored and [Nb(H20)6]5+ is not. (b) What kind of crystal field...
(a) Explain why [Fe(H20)6]5* is colored and (Nb(H20)6] is not (b) What kind of crystal field (Ao large or small) the NH3 ligands are creating it 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 -
calculuate valence electrons for each complex (a) [Mn(H20)]3+ (d) [Fe(H20).]3+ (b) [Cr(H2O)6]2+ (e) [Co(NH3)4] * (h) [Pd(NH3).]4+ (c) [V(H2O).]2+ (1) [Ni(H2O)]2+ (1) [Re(CN).]3- (g) MoF6
.. 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]...
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....
8. Explain why the complex (Fe(H2O) has de = 14,000 cm', while [Fe(H2O) has 3 = 9,350 cm. 9. Suggest a reason why copper'll) compounds are often colored but copper(l) compounds are colorless. 10. Sketch the d-orbital energy-level diagram for a square planar complex Spectrochemical series: COCN' >phen > NOx > en > NH3> NCS > H2O > F>RCOO > OH > CT > Br> 50m 750 nm 400 m Sem 430 nm 190 mm
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...
The complex [Fe(H2O)6]3+ has a maximum absorbance at 724 nm. a.Calculate the crystal field splitting energy, in kJ, for the complex. b.Predict the colour of the complex.