Ethylene diaminetetraacetate (EDTA) ion is:

1. Bidentate ligand with two "N" donor atoms
2. Tridentate ligand with three "N" donor atoms
3. Hexadentate ligand with four "O" and two "N'' donor atoms
4. Unidentate ligand
Subtopic:  Ligands |
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Which of the following is the correct order of increasing field strength of ligands?

1. SCNFCNC2O42-

2. FSCNC2O42CN-

3. CNC2O42SCNF-

4. SCNFC2O42CN-

Subtopic:  Ligands |
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The crystal field stabilization energy (CFSE) for [CoCl6]4 - is 18000 cm-1.    What will be the CFSE for [CoCl4]2-  

1. 6000 cm-1

2. 16000 cm-1

3. 18000 cm-1

4. 8000 cm-1

Subtopic:  VBT, CFT & their Limitations |
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What is the correct electronic configuration of the central atom in K4FeCN6 based on crystal field theory?

1.  e4 t22

2.  t2g  4 eg2

3.  t2g  6 eg0

4.  e3 t23

Subtopic:  VBT, CFT & their Limitations |
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The IUPAC name of the complex-
[Ag(H₂O)₂][Ag(CN)₂] is:
1. diaquasilver(I) dicyanidoargentate (I)
2. dicyanidosilver(II) diaquaargentate(II)
3. diaquasilver(II) dicyanidoargentate(II)
4. dicyanidosilver(I) diaquaargentate(I)
Subtopic:  Introduction, Classification and Nomenclature |
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Identify the incorrect statement from the following.
1. The shapes of dxy, dyz, and dzx orbitals are similar to each other; and dx-y2 and dz2 are similar to each other.
2. All the five 5d orbitals are different in size when compared to the respective 4d orbitals.
3. All the five 4d orbitals have shapes similar to the respective 3d orbitals.
4. In an atom, all the five 3d orbitals are equal in energy in free state.
Subtopic:  VBT, CFT & their Limitations |
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The order of energy absorbed which is responsible for the color of complexes is
\((A) \ \left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{2}(\text { en })_{2}\right]^{2+}\\ (B) \ \left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4}(\mathrm{en})\right]^{2+} and\\ (C) \ \left[\mathrm{Ni}(\mathrm{en})_{3}\right]^{2+}\)
1. B > A > C 
2. A > B > C 
3. C > B > A 
4. C > A > B
Subtopic:  VBT, CFT & their Limitations |
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The number of bridging carbonyl groups in [Co2(CO)8] and [Mn2(CO)10], respectively are
1. 2 and 0
2. 2 and 2
3. 2 and 4
4. 0 and 2

Subtopic:  Organometallic Complexes & their Uses |
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Which one of the following is the correct order of spin-only magnetic moment for the given complexes? 
1. \([Co(H_2O)_6]^{2+} > [MnCl_6]^{3-} > [Fe(CN)_6]^{3-} \)
2. \([Fe(CN)_6]^{3-} >[Co(H_2O)_6]^{2+} > [MnCl_6]^{3-} \)
3. \([MnCl_6]^{3-} >[Fe(CN)_6]^{3-} >[Co(H_2O)_6]^{2+} \)
4. \([MnCl_6]^{3-} > [Co(H_2O_6]^{2+} > [Fe(CN)_6]^{3-} \)

Subtopic:  VBT, CFT & their Limitations |
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Match List-I with List-II :
List-I (Complexes) List-II (Types)
(a) [Co(NH3)5NO2]Cl2 and [Co(NH3)5ONO]Cl2 (i) ionisation isomerism
(b) [Cr(NH3)6] [Co(CN)6] and [Cr(CN)6][Co(NH3)6] (ii) coordination isomerism
(c) [Co(NH3)5(SO4)]Br and [Co(NH3)5Br]SO4 (iii) linkage isomerism
(d) [Cr(H2O)6]Cl3 and [Cr(H2O)5Cl]Cl2.H2O (iv) solvate isomerism
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (iii) (i) (ii) (iv)
2. (ii) (iii) (iv) (i)
3. (iii) (ii) (i) (iv)
4. (iv) (iii) (ii) (i)
Subtopic:  Isomerism in Coordination Compounds |
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