The IUPAC name of the following complex is:
[Ag(H₂O)₂][Ag(CN)₂] 

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 |
 52%
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The correct order of spin-only magnetic moment for the given complexes is: 

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 (Type of isomer)
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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Select the correct option based on statements below:
 
Assertion (A): The metal carbon bond in metal carbonyls possesses both \(\sigma\) and \(\pi\) character.
Reason (R): The ligand to metal bond is a \(\pi\) bond and metal to ligand bond is a \(\sigma\) bond.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Organometallic Complexes & their Uses |
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Homoleptic complex from the following complexes is: 
1. Triamminetriaquachromium (III) 
2. Potassium trioxalatoaluminate (III) 
3. Diamminechloridonitrito-N-platinum (II) 
4. Pentaamminecarbonatocobalt (III) chloride 
Subtopic:  Introduction, Classification and Nomenclature |
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The most stable compound, among the following, is:
1. [Co(NH3)6]2(SO4)3
2. [Co(NH3)4(H2O)Br](NO3)2
3. [Co(NH3)3(NO3)3]
4. [CoCl2(en)2]NO3
Subtopic:  Organometallic Complexes & their Uses |
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Among the following, the set representing a complex and a double salt respectively, is:
1. CuSO4.5H2O and CuCl2,4NH3
2. PtCl2.2NH3 and PtCl4.2HCl
3. K2PtCl2.2NH3 and KAl(SO4)2.12H2O
4. NiCl2.6H2O and NiCl2(H2O)4
Subtopic:  Introduction, Classification and Nomenclature |
 79%
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