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what would be the expected ratio of cis to trans isomers in the product?
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Chemistry: An Atoms First Approach
- An aqueous solution of [Rh(C2O4)3]3− is yellow. Predict the approximate wavelength and predominant color of light absorbed by the complex.arrow_forwardPlatinum(II) forms many complexes, among them those with the following ligands. Give the formula and charge of each complex. (a) two ammonia molecules and one oxalate ion (C2O42-) (b) two ammonia molecules, one thiocyanate ion (SCN-), and one bromide ion (c) one ethylenediamine molecule and two nitrite ionsarrow_forwardWhat types of isomers are possible for the following compounds or complex ions? (a) K[Co(NH3)2Cl4] (b) Pt(en)Cl2 (square-planar) (c) [Co(NH3)5Cl]2+ (d) [Ru(phen)3]Cl3 (e) Na2[MnCl4] (tetrahedral) (f) [Co(NH3)5NO2)2+arrow_forward
- Four different octahedral chromium coordination compounds exist that all have the same oxidation state for chromium and have H2O and Cl as the ligands and counterions. When 1 mole of each of the four compounds is dissolved in water, how many moles of silver chloride will precipitate upon addition of excess AgNO3?arrow_forwardThe compound Cr(en)2(OH)2Cl has been prepared in several isomeric forms: Isomer A is optically inactive and undergoes no reaction with either AgNO3 or en. Isomer B is optically inactive and reacts with AgNO3 to form a white precipitate, but does not react with en. Isomer C is optically active and reacts both with en and AgNO3. Assuming the coordination number of chromium is 6, identify each of the three isomers by name and draw each of the structures.Hint: For the en ligand think about what angle the donor atoms form with the metal ion.arrow_forwardCoCl3(H2N-CH2-CH2-NH2)2(H2O) corresponds to the empirical formula of two coordination compounds denoted A and B. When A is reacted with silver nitrate, 2/3 of the chlorine atoms precipitate. B, submitted to the same treatment, exhibits the precipitation of 1/3 of the present chlorine atoms. What are the formulas of compounds A and B?arrow_forward
- Name the following compounds according to IUPAC rules K[PtCl3(C2H4)] [Co(NO2)3(NH3)3] [Cr(OH)(H2O)3(NH3)2](NO3)2arrow_forwardIn acidic aqueous solution, the purple complex ion Co(NH3)5Br2+ undergoes a slow reaction in which the bromide ion is replaced by a water molecule, yielding the pinkish-orange complex ion : Co(NH3)5(H2O)3+ Co(NH3)5Br2+Purple(aq)+H2O(l) → Co(NH3)5(H2O)3+Pinkish−orange(aq)+Br−(aq)The reaction is first order in Co(NH3)5Br2+, the rate constant at 25 ∘C is 6.3×10−6 s−1, and the initial concentration of Co(NH3)5Br2+ is 0.100 MM. What is its molarity after a reaction time of 19.0 h ? How many hours are required for 85 %% of the Co(NH3)5Br2+ to react?arrow_forwardCoCl3(H2N-CH2-CH2-NH2)2(H2O) corresponds to the empirical formula of two coordination compounds denoted A and B. When A is reacted with silver nitrate, 2/3 of the chlorine atoms precipitate. B, submitted to the same treatment, exhibits the precipitation of 1/3 of the present chlorine atoms.What is the reaction caused by the addition of silver nitrate on A and B?arrow_forward
- The cobalt carbonyl complex, Co2(CO)8, undergoes an oxidation with hydrogen gas to form a monomeric metal hydride product, HCo(CO)4. The resulting complex could have one of three possible structures, so an infrared spectrum was obtained. If the spectrum has 12 observable bands overall, what is the likely structure?arrow_forwardThe octahedral complex [Ti(H2O)6]3+ has a single d electron. To excite this electron from the ground state t2g orbital to the eg orbital, this complex absorbs light from 450 to 600 nm. The maximum absorbance corresponds to Δoct and occurs at 499 nm. Calculate the value of Δoct in Joules and predict what color the solution will appear.arrow_forwardWhen oxalate (chemical formula: C₂04²; ligand abbreviation: ox) is added to an aqueous solution of nickel(II), the octahedral complex [Ni(ox)3]4 is produced. Given that complex formation is sequential, which reaction corresponds to the stability constant, B₂? O [Ni(H₂0)6]²+ (aq) + 2 OX(aq) = [Ni(ox)₂]4- (aq) + 6 H₂0 (1) O [Ni(H₂0)6]²+ (aq) + 2 OX(aq) = [Ni(0x)2(H₂O)4]² (aq) + 2 H₂O(1) O [Ni(H₂0)6]²+ (aq) + 2 OX(aq) ⇒ [Ni(ox)₂(H₂O)2]² (aq) + 4H₂O(1) O [Ni(H₂0)6]²+ (aq) + 2 OX(aq) = [Ni(ox)₂]² (aq) + 6 H₂0 (1)arrow_forward
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