Crystal field stabilization energy for high spin d4 octahedral complex is

1. -1.8o

2. -1.6o

3. -1.2o

4. -0.6o

Concept Questions :-

VBT & CFT, Limitation /Hybridisation
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EAN of Fe in K3[Fe(CN)6] is

1. 34

2. 35

3. 36

4. 47

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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

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Out of TiF62-, CoF63-, Cu2Cl2 and NiCl42- (At. no. Z of Ti = 22, CO = 27, Cu = 29, Ni = 28), the colourless species are

(a) TiF62- and CoF63-

(b) Cu2Cl2 and NiCl42-

(c) TiF62- and Cu2Cl2

(d) CoF63- and NiCl42-

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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+

Concept Questions :-

Isomer in Coordination Compound
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The number of ions formed in K4[Fe(CN)6] are

(1) 11

(2) 5

(3) 4

(4) 9

Concept Questions :-

Isomer in Coordination Compound
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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.

Concept Questions :-

VBT & CFT, Limitation /Hybridisation
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An example of a sigma bonded organometallic compound is

(a) ruthenocene                  (b) Grignard's reagent

(c) ferrocene                      (d) cobaltocene

 

Concept Questions :-

VBT & CFT, Limitation /Hybridisation
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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

(a) 1 AgCl, 3 AgCl, 2 AgCl
(b) 3 AgCl, 1 AgCl, 2 AgCl
(c) 3 AgCl, 2 AgCl, 1 AgCl
(d) 2 AgCl, 3AgCl,  1 AgCl

Concept Questions :-

Werner’s Theory
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Correct increasing order for the wavelengths of absorption in the visible region for the complexes of CO3+ is

(a) [CO(en)3]3+, [CO(NH3)63+  CO(H2O)6]3+

(b) [CO(H2O)6]3+, [CO(en)3]3+. [CO(NH3)6]3+

(c) [CO(H2O)6]3+, (CO(NH3)6]3+ , [CO(en)3]3+

(d) [CO(NH2)8]3+, [CO(en)3]3+, [CO(H2O)6]3+

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