a) [TiCI(Cp)2(CN)] Oxidation state of metal: X+(-1)+0+(-1)=0 X=+2 Ligand: chloro, cyclopentadiene, cyano [TİCI(Cp)2(NH3)]CI X(-1)+2(0)+0=+1 X-1=+1| X=+2 Ligand: chloro, cyclopentadiene, ammine Stability: [TiCl(Cp)2(CN)] is more stable due to strong field ligand (CN-) and sigma and pi back bonding exist in this complex. So, [TiCI(Cp)2(NH3)]Cl is less stable compare to [TiC(Cp)2(CN)].
a) [TiCI(Cp)2(CN)] Oxidation state of metal: X+(-1)+0+(-1)=0 X=+2 Ligand: chloro, cyclopentadiene, cyano [TİCI(Cp)2(NH3)]CI X(-1)+2(0)+0=+1 X-1=+1| X=+2 Ligand: chloro, cyclopentadiene, ammine Stability: [TiCl(Cp)2(CN)] is more stable due to strong field ligand (CN-) and sigma and pi back bonding exist in this complex. So, [TiCI(Cp)2(NH3)]Cl is less stable compare to [TiC(Cp)2(CN)].
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter19: Complex Ions
Section: Chapter Questions
Problem 25QAP
Related questions
Question
Explain a little more why the complex is chosen to be more stable.
![a)
[Tic((Cp)2(CN)]
Oxidation state of metal:
X+(-1)+0+(-1)=0
X=+2
Ti2-
Ligand: chloro, cyclopentadiene, cyano
[TİCI(Cp)2(NH3)]ci
X(-1)+2(0)+0=+1
X-1=+1|
X=+2
Ligand: chloro, cyclopentadiene, ammine
Stability: [TiCI(Cp)2(CN)] is more stable due to strong field ligand (CN-) and sigma and
pi back bonding exist in this complex. So, [TicI(Cp)2(NH3)]Cl is less stable compare to
[TicI(Cp)2(CN)].](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa37c68a8-4833-4a81-8444-474288b213e5%2F2edbf87e-a031-4202-8a6d-dc346a2fdc16%2Fkxcjh4a_processed.png&w=3840&q=75)
Transcribed Image Text:a)
[Tic((Cp)2(CN)]
Oxidation state of metal:
X+(-1)+0+(-1)=0
X=+2
Ti2-
Ligand: chloro, cyclopentadiene, cyano
[TİCI(Cp)2(NH3)]ci
X(-1)+2(0)+0=+1
X-1=+1|
X=+2
Ligand: chloro, cyclopentadiene, ammine
Stability: [TiCI(Cp)2(CN)] is more stable due to strong field ligand (CN-) and sigma and
pi back bonding exist in this complex. So, [TicI(Cp)2(NH3)]Cl is less stable compare to
[TicI(Cp)2(CN)].
![b)
[IrMe(PMe3)4]
Oxidation state of metal:
X+(-1)+(0)=0
X=+1
Irt+
Ligand: methyl anion, trimethylphosphine,.
[Ir(C=C-Ph)(PME3)4]
X(-1)+4(0)=+1
X-1=+1
X=+1
Irl+
Ligand: phenylacetylene anion, trimethyl phosphine
Stability: [Ir(C=C-Ph)(PME3)4] is more stable due to phenylacetylene pi back bonding.
So, [Ir(C=C-Ph)(PME3)4] is less stable compare to [IrMe(PMe3)4]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa37c68a8-4833-4a81-8444-474288b213e5%2F2edbf87e-a031-4202-8a6d-dc346a2fdc16%2Fjv805jg_processed.png&w=3840&q=75)
Transcribed Image Text:b)
[IrMe(PMe3)4]
Oxidation state of metal:
X+(-1)+(0)=0
X=+1
Irt+
Ligand: methyl anion, trimethylphosphine,.
[Ir(C=C-Ph)(PME3)4]
X(-1)+4(0)=+1
X-1=+1
X=+1
Irl+
Ligand: phenylacetylene anion, trimethyl phosphine
Stability: [Ir(C=C-Ph)(PME3)4] is more stable due to phenylacetylene pi back bonding.
So, [Ir(C=C-Ph)(PME3)4] is less stable compare to [IrMe(PMe3)4]
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