### Exercises: Determine the Metal in Coordination ComplexesIn the following exercises, identify the metal (M) in each coordination complex:1. **(d)** \( M = ? \) \[ [M(CO)_7]^+ \]2. **(e)** \( M = ? \) \[ H_3CM(CO)_5 \]### Explanation:These exercises involve coordination complexes where a central metal atom (M) is bonded to several carbonyl (CO) ligands. In exercise (d), the charged complex suggests the metal forms a cationic species when coordinated with seven CO ligands. Meanwhile, exercise (e) involves a neutral complex with five carbonyl ligands and a methyl (H₃C) group attached to the metal center.Students are required to deduce the identity of the metal (M) based on the given formulas of these coordination compounds. The coordination number and charge, along with knowledge of common metal carbonyl complexes, will be instrumental in solving these exercises.

18 electron rule states that for d-block elements, mostly complexes with 18 electrons in the…

Answered: (d) M=? [M(CO)7]+ (e) M=? H3CM(CO)5

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(d) M=? [M(CO)7]+ (e) M=? H3CM(CO)5

Chemistry

10th Edition

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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Question

### Exercises: Determine the Metal in Coordination Complexes
In the following exercises, identify the metal (M) in each coordination complex:

1. **(d)** \( M = ? \)
\[
[M(CO)_7]^+
\]
2. **(e)** \( M = ? \)
\[
H_3CM(CO)_5
\]

### Explanation:
These exercises involve coordination complexes where a central metal atom (M) is bonded to several carbonyl (CO) ligands. In exercise (d), the charged complex suggests the metal forms a cationic species when coordinated with seven CO ligands. Meanwhile, exercise (e) involves a neutral complex with five carbonyl ligands and a methyl (H₃C) group attached to the metal center.

Students are required to deduce the identity of the metal (M) based on the given formulas of these coordination compounds. The coordination number and charge, along with knowledge of common metal carbonyl complexes, will be instrumental in solving these exercises.

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Step 1: 18 electron rule

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Step 2: To find the metal in [M(CO)7]+

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Step 3: To find the metal in [H3CM(CO)5]

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