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Which of the below structures are identical? a. Br, C. H₂O Br e. Br NH. H₂C H₂O OH NH3 Structure I Cr OH₂ Structure III NH, b. V and VI IV and V OH Br Structure V IV and VI d. II and IV Br NH NH NH, 3 HN Pdpd Br H₂O H₂O none of these are identical H₂Q H₂O NH₂ Br Cru | NH3 Structure II NH, Br Structure IV NH Br Br Br Br NH₂ OH, Structure VI 2 OH. C

Which of the below structures are identical? a. Br, C. H₂O Br e. Br NH. H₂C H₂O OH NH3 Structure I Cr OH₂ Structure III NH, b. V and VI IV and V OH Br Structure V IV and VI d. II and IV Br NH NH NH, 3 HN Pdpd Br H₂O H₂O none of these are identical H₂Q H₂O NH₂ Br Cru | NH3 Structure II NH, Br Structure IV NH Br Br Br Br NH₂ OH, Structure VI 2 OH. C

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Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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26.4 Final answer is enough.
**Question 2** Which of the below structures are identical? The image shows six octahedral complexes, each containing a chromium ion (Cr) coordinated with different arrangements of NH₃ (ammonia), H₂O (water), and Br⁻ (bromide) ligands. - **Structure I:** Cr is coordinated with three NH₃ ligands, two Br ligands, and one OH₂ group. This structure is positively charged. - **Structure II:** Cr is coordinated with three NH₃ ligands, two H₂O groups, and two Br ligands. This structure is also positively charged. - **Structure III:** Cr is coordinated with two OH₂ groups and three NH₃ ligands in a different arrangement than Structure I, still resulting in a positive charge. - **Structure IV:** Cr is coordinated with three NH₃ ligands, two H₂O groups, and one Br ligand. This structure is positively charged. - **Structure V:** Cr is coordinated with two OH₂ groups in addition to three NH₃ ligands and one Br ligand, leading to a positive charge. - **Structure VI:** Cr is coordinated with three NH₃ ligands, two OH₂ groups, and two Br ligands in another unique arrangement, with a positive charge. **Options:** a. IV and V b. V and VI c. IV and VI d. II and IV e. none of these are identical The task is to determine which of these complexes are identical based on their ligand arrangements.
Transcribed Image Text:**Question 2** Which of the below structures are identical? The image shows six octahedral complexes, each containing a chromium ion (Cr) coordinated with different arrangements of NH₃ (ammonia), H₂O (water), and Br⁻ (bromide) ligands. - **Structure I:** Cr is coordinated with three NH₃ ligands, two Br ligands, and one OH₂ group. This structure is positively charged. - **Structure II:** Cr is coordinated with three NH₃ ligands, two H₂O groups, and two Br ligands. This structure is also positively charged. - **Structure III:** Cr is coordinated with two OH₂ groups and three NH₃ ligands in a different arrangement than Structure I, still resulting in a positive charge. - **Structure IV:** Cr is coordinated with three NH₃ ligands, two H₂O groups, and one Br ligand. This structure is positively charged. - **Structure V:** Cr is coordinated with two OH₂ groups in addition to three NH₃ ligands and one Br ligand, leading to a positive charge. - **Structure VI:** Cr is coordinated with three NH₃ ligands, two OH₂ groups, and two Br ligands in another unique arrangement, with a positive charge. **Options:** a. IV and V b. V and VI c. IV and VI d. II and IV e. none of these are identical The task is to determine which of these complexes are identical based on their ligand arrangements.
**Question 6** Which of the structures below has each of the three pairs of like ligands in the *trans* position to each other? [There are four structures shown, labeled I to IV, each featuring a central metal atom (Cr) surrounded by different ligands in an octahedral arrangement.] 1. **Structure I:** - Central metal: Cr - Ligands: Two ammonia (NH₃) and two water (H₂O) ligands are opposite each other in pairs; two bromine (Br⁻) ions are also opposite each other. - Charge: \(+\) 2. **Structure II:** - Central metal: Cr - Ligands: One ammonia (NH₃) opposite bromine (Br⁻); Two water (H₂O) ligands are opposite each other. - Charge: \(+\) 3. **Structure III:** - Central metal: Cr - Ligands: Two ethylene glycol (OH₂) ligands opposite each other; Two bromine (Br⁻) ions are opposite each other. - Charge: \(+\) 4. **Structure IV:** - Central metal: Cr - Ligands: Two ammonia (NH₃) ligands opposite each other. One bromine (Br⁻) is opposite water (H₂O). - Charge: \(+\) **Options:** a. I b. II c. III d. II and III e. IV [There are selection bubbles below these options for respondents to choose the correct answer.]
Transcribed Image Text:**Question 6** Which of the structures below has each of the three pairs of like ligands in the *trans* position to each other? [There are four structures shown, labeled I to IV, each featuring a central metal atom (Cr) surrounded by different ligands in an octahedral arrangement.] 1. **Structure I:** - Central metal: Cr - Ligands: Two ammonia (NH₃) and two water (H₂O) ligands are opposite each other in pairs; two bromine (Br⁻) ions are also opposite each other. - Charge: \(+\) 2. **Structure II:** - Central metal: Cr - Ligands: One ammonia (NH₃) opposite bromine (Br⁻); Two water (H₂O) ligands are opposite each other. - Charge: \(+\) 3. **Structure III:** - Central metal: Cr - Ligands: Two ethylene glycol (OH₂) ligands opposite each other; Two bromine (Br⁻) ions are opposite each other. - Charge: \(+\) 4. **Structure IV:** - Central metal: Cr - Ligands: Two ammonia (NH₃) ligands opposite each other. One bromine (Br⁻) is opposite water (H₂O). - Charge: \(+\) **Options:** a. I b. II c. III d. II and III e. IV [There are selection bubbles below these options for respondents to choose the correct answer.]
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