Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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![2. Solutions of [Cr(H₂O).] are pale green while the chromate ion [Cr(O)4]2 is intense yellow.
Characterize the origins of the transitions in these complexes and explain the relative
intensities of their colors.](https://content.bartleby.com/qna-images/question/ff4f59cf-f6a2-4d49-a12d-a42c3c997150/af0fbbd3-8e20-4fca-8ac4-89896d7773e8/v2j79r8_processed.jpeg)
Transcribed Image Text:2. Solutions of [Cr(H₂O).] are pale green while the chromate ion [Cr(O)4]2 is intense yellow.
Characterize the origins of the transitions in these complexes and explain the relative
intensities of their colors.
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- A complex with the following formula may possess which kind of isomerism? (Different letters A-F denote different ligands.) K[M(en)2A2]arrow_forwardHow many of the following chemical formulas for the following species have an incorrect name listed? chemical formula name [Co(NH3)5Br]Cl pentaamminebromocobalt chloride [Cr(en)3] [Co(CN)6] tris(ethylenediamine)chromium(III)cobaltate(III) hexacyanide Naz[PtCl4] sodium chloroplatinate(IV) [Pt(en)2CI2]SO4 dichlorobis(ethylenediamine)platinum sulfate 3 4.arrow_forwarda) Consider the following two cobalt complexes: [Co(H2O)2(OH)4] Complex A [Co(CO)6] 3+ Complex B (i) Draw the d-electron configuration for A and B. Label each set of orbitals. (ii) Explain how the d-electron configuration changes when cobalt is replaced by iridium in A and B. (iii) Calculate the CFSE for A and B. Show all calculations and units. (iv) Which of these two complexes (A or B) will interact with a magnet? Motivate your answer.arrow_forward
- Which of these complex ions is expected to be diamagnetic? (B) [Co(CN)6]3– (A) [CoCl6] 3– (C) [CoF6]3– (D) All the abovearrow_forwardFor the following five coordination complexes identify the correct oxidation state of the metal. [Ir(NH3)3Cl3] [Ru(NH3)6]Cl2 cis−[PdCl2(P(CH3)3)2] [Ni(CO)4] [Cr(en)2I2]Iarrow_forwardIn 2001, chemists at SUNY-Stony Brook succeeded in syn-thesizing the complex trans-[Fe(CN)4(CO)2]2-, which could be a model of complexes that may have played a role in the origin of life. Sketch the structure of the complex.arrow_forward
- Cobalt(III) has a coordination number of 6 in all its complexes. Is the carbonate ion amonodentate or bidentate ligand in the [Co(NH3)4(CO3)] + ion?arrow_forwardNaming complex ions Name the following metal complexes or complex ions: formula [Mo(en)3]** [Au(OH), (CO),] 3+ [Cr(H₂O)₁]** name ☐ ☐ ☑ 5arrow_forwardb) Draw the structure of each of the following complexes. Clearly show the stereocentre of central metal ion. Where multiple geometric isomers are possible, draw both. (i) [Fe(SCN)4(H2O)2]²- (ii) [Co(en)2Cl2]CI (iii) [Ni(NH3)4(C2O4)2]. H2Oarrow_forward
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