EAN of Fe in K3[Fe(CN)6] is

1. 34

2. 35

3. 36

4. 47

Subtopic:  E.A.N |
 76%
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Which of the following has square planar structure?

1. [NiCl4]2-

2. [Ni(CO)4]

3. [Ni(CN)4]2-

4. None of these

Subtopic:  VBT, CFT & their Limitations |
 73%
From NCERT
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The correct statement, among the following, regarding [Mn(CN)6]3- is:

1. It is sp3d2 hybridised and octahedral in shape

2. It is sp3d2 hybridised and tetrahedral in shape

3. It is d2sp3 hybridised and octahedral in shape

4. It is dsp2 hybridised and square planar in shape

Subtopic:  VBT, CFT & their Limitations |
 78%
From NCERT
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The crystal field stabilisation energy for the high spin d4 octahedral complex is:

1. -1.8 o

2. -1.6 o

3. -1.2 o

4. -0.6 o

Subtopic:  VBT, CFT & their Limitations |
 67%
From NCERT
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Which of the following complex will show geometrical as well as optical isomerism ?

1. [Pt(NH3)2Cl2]

2. [Pt(NH3)Cl3]

3. [Pt(en)2Cl2]

4. [Pt(en)3]4+

Subtopic:  Isomerism in Coordination Compounds |
 73%
From NCERT
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The number of ions formed in K4[Fe(CN)6] are

1. 11

2. 5

3. 4

4. 9

Subtopic:  Isomerism in Coordination Compounds |
 82%
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[Cu(NH3)4]2+ is complex which have

1. Square planar structure and diamagnetic nature

2. Tetrahedral structure and paramagnetic nature

3. Square planar structure and paramagnetic nature

4. Tetrahedral structure and diamagnetic behaviour.

Subtopic:  VBT, CFT & their Limitations |
 51%
From NCERT
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An example of a sigma bonded organometallic compound is:

1. Ruthenocene                 

2. Grignard's reagent

3. Ferrocene                     

4. Cobaltocene

Subtopic:  Ligands | VBT, CFT & their Limitations |
 85%
From NCERT
NEET - 2017
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The correct order of the stoichiometrics of AgCl formed when AgNO3 in excess is treated with the complexes:- CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3, respectively, is :

1. 1 AgCl, 3 AgCl, 2 AgCl

2. 3 AgCl, 1 AgCl, 2 AgCl

3. 3 AgCl, 2 AgCl, 1 AgCl

4. 2 AgCl, 3AgCl,  1 AgCl

Subtopic:  Werner’s Theory |
 87%
From NCERT
NEET - 2017
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Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is : 

(1)  [Co(en)3]3+ , [Co(NH3)6]3+ , [Co(H2O)6]3+

(2)  [Co(H2O)6]3+ , [Co(en)3]3+, [Co(NH3)6]3+

(3)  [Co(H2O)6]3+[Co(NH3)6]3+[Co(en)3]3+  

(4)  [Co(NH3)6]3+,[Co(en)3]3+[Co(H2O)6]3+ 

Subtopic:  Organometallic Complexes & their Uses | Isomerism in Coordination Compounds |
 53%
From NCERT
NEET - 2017
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