A paramagnetic ion among the following, forms an outer orbital complex is:

1. [Ni(NH3)6]2+

2. [Zn(NH3)6]2+

3. [Cr(NH3)6]3+

4. [Co(NH3)6]3+

Subtopic:  VBT, CFT & their Limitations |
 57%
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AIPMT - 2012

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Which among the following is a diamagnetic complex?

1. NiCN42-

2. CuCl42-

3. CoF63-

4. NiCl42-

Subtopic:  VBT, CFT & their Limitations |
 86%
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AIPMT - 2011

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The type of isomerism shown by [Co(NH3)6][Cr(CN)6] and  [Cr (NH3)6] [Co(CN)6] is:
 
1. Ionisation isomerism
2. Co-ordination isomerism
3. Geometrical isomerism
4. Linkage isomerism
Subtopic:  Isomerism in Coordination Compounds |
 89%
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AIPMT - 2011

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The complex, PtPyNH3BrCl will have how many geometrical isomers?

1.  4

2.  0

3.  2

4.  3

Subtopic:  Isomerism in Coordination Compounds |
 60%
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The complex ion among the following that cannot absorb visible light is:

1. [Ni(CN)4]2-

2. [Cr(NH3)6]3+

3. [Fe(H2O)6]2+

4. [Ni(H2O)6]2+

Subtopic:  VBT, CFT & their Limitations |
 77%
From NCERT
AIPMT - 2010
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Crystal field stabilization energy for high spin d4 octahedral complex is

1. -1.8 0

2. -1.6 0+P

3. -1.2 0

4. -0.6 0

Subtopic:  VBT, CFT & their Limitations |
 76%
AIPMT - 2010

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The existence of two different coloured complexes with the composition of [Co(NH3)4Cl2] is due to:

1. Linkage isomerism 2. Geometrical isomerism
3. Coordination isomerism 4. Ionisation isomerism

Subtopic:  Isomerism in Coordination Compounds |
 60%
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AIPMT - 2010

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Which of the following does not show optical isomerism?(en = ethylenediamine)
1. [Co(en)2Cl2]+
2. [Co(NH3)3Cl3]
3. [Co(en)Cl2(NH3)2]+
4. [Co(en)3]3+
Subtopic:  Isomerism in Coordination Compounds |
 66%
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AIPMT - 2009

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Which of the following complex ions is expected to absorb visible light? 
(At. no. Zn = 30, Sc = 21, Ti = 22, Cr = 24)
1. [Sc(H2O)3(NH3)3]3+
2. [Ti(en)2 (NH3)2]4+
3. [Cr(NH3)6]3+
4. [Zn(NH3)6]2+

 

Subtopic:  VBT, CFT & their Limitations |
 76%
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AIPMT - 2009

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Which of the following complexes exhibits the highest paramagnetic behavior ? 
where gly = glycine, en = ethylene Jiamine and bpy = bipyridyl moieties 
(At no : Ti= 22 V = 21! Fe = 26, Co = 27)

1.  Vgly2OH2NH32+

2.  Feen bpy NH322+

3.  CoOX2OH2-

4.  TiNH363+

Subtopic:  Ligands |
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AIPMT - 2008

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