the following coordination compound: K[CrCl4(en)]. a. Give the charge on the coordination sphere in this compound. b. Compute the OXIDATION NUMBER of the chromium cation in the complex. c. Give the COORDINATION NUMBER of the chromium cation in the complex. d. Sketch the structure of the complex ion.
Question 1 What is the coordination number of chromium in the following coordination compound (Cr(C204)2(H20)2]C12? (C2042-oxalate ion, ox) O a. 4 b.6 OC. 8 O d. 2 e. 5 Question 2 Calculate the pH of 100.0 mL of a 0.100 M solution of Ca(OH)2 (molar mass = 74.1g/mol) O a. 12.0 O b. 13.3 OC. 0.100 O d. 0.200 e. 13.0
What is the coordination number Cu in the crystal structure
CuFeS2?
For a cubic structure with lattice parameter “a”. Please draw out a picture of a plane with Miller Indices (2 1 3).
7. ZnS has an FCC lattice with S2- in lattice positions. a. Calculate the number of S2- atoms in a unit cell. b. Given radii of Zn2+=0.88 nm and S2 =2.19 nm, calculate the coordination number. C. How must the Zn2+ ions be arranged in order to maintain charge neutrality and consistent packing size? d. Which direction will have the highest linear density of atoms: [100], [110], or [111]?
Draw the Lewis structure for NCS-. Discuss with examples the different modes of coordination of NCS-. Do these ligands have different steric features
Chromium forms a tetrahedral complex with Cl- that has a charge of -1. What is the coordination number and oxidation state of the chromium atom? coordination number: oxidation state:
Determine the atomic radius ratio, coordination number, and name the probable crystal structure of MnO2.
2. Indicate i. the metal oxidation state, ii. d-electron count, and iii. coordination number (CN) for the following complex (12 Points). a. Anti-cancer drug b. [Fe4S4(SR)4]2- SR S > Fe Cmos i. i. ii. ii. iii. 5. Draw the metal coordination structure of carbonic anhydrase enzyme. Clearly show the ? geomet 21
2. Indicate i. the metal oxidation state, ii. d-electron count, and iii. coordination number (CN) for the following complex (12 Points). a. Anti-cancer drug b. [Fe S4(SR)] SR Fe COS i. ii. ii. iii. iii. 3. Draw the metal coordination structure of carbonic anhydrase enzyme. Clearly show the 3-D geometry round the metal center. (6 Points)