0.001 mole of CoNH35NO3·SO4 was passed through a cation exchanger and the acid coming out of it required 20 ml of 0.1 M NaOH for neutralization. Hence, the complex is

1.  CoNH35SO4NO3

2.  CoNH35(NO3)SO4

3.  CoNH35SO4NO3SO4

4.  All of these

Subtopic:  Introduction, Classification and Nomenclature |
 52%
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Which of the following statements is correct regarding the chirality (optical isomerism) of the cis and a trans isomer of the type M(aa)2b2
(M stands for metal, aa is a bidentate ligand, and b is a chiral ligand)?
  

1. The trans form is achiral and optically inactive while the cis form is chiral and exists in two enantiomeric forms

2. Both cis and transforms are achiral and optically inactive

3. The trans form is chiral and exists in two enantiomeric forms while the cis form is achiral and optically inactive

4. Both the cis and trans form are chiral and each exists in two enantiomeric forms

Subtopic:  Isomerism in Coordination Compounds |
 75%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Which statement about the coordination number of a cation is true?

1.  Metal ions exhibit only a single characteristic co-ordination number.
2. The coordination number is equal to the number of ligands bonded to the metal atom.
3. The coordination number is determined solely by the number of empty d-orbitals in the atom
4.  Coordination number is equal to the number of coordinate bonds between the metal cation and ligands.

Subtopic:  Ligands |
 61%
From NCERT
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If Cd2+ and Cu2+ both are present, both are complexed by CN- and H2S gas is passed, which one of the following pairs of complexes and their relative stability enables the separation of Cu2+ and Cd2+?

1.  K3CuCN4: more stable and K2CdCN4: less stable

2.  K2CuCN4: less stable and K2CdCN4: more stable

3.  K2CuCN4: more stable and K2CdCN4: more stable

4.  K3CuCN4: less stable and K2CdCN4: more stable

Subtopic:  Introduction, Classification and Nomenclature |
 51%
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Hints

The spin-only magnetic moments of MnCN64- and MnBr42- in Bohr Magnetons, respectively, are

1.  5.92 and 5.92

2.  4.89 and 1.73

3.  1.73 and 5.92

4.  1.73 and 1.73

Subtopic:  VBT, CFT & their Limitations |
 75%
From NCERT
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The crystal field stabilization energies (CFSE) of high-spin and low-spin (d6) octahedral metal complexes in terms of Δ₀, respectively, are:

1.  -0.4 and -2.4

2.  -2.4 and -0.4

3.  -0.4 and 0.0

4.  -2.4 and 0.0

Subtopic:  VBT, CFT & their Limitations |
 64%
From NCERT
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Hints
Please attempt this question first.

The oxidation state of cobalt in the following molecule is:

      

1. 3

2. 1

3. 2

4. 0

Subtopic:  VBT, CFT & their Limitations |
 73%
From NCERT
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For a tetrahedral complex MCI42-, the spin-only magnetic moment is 3.83 B.M. The element M is 

1.  Co

2.  Cu

3.  Mn

4.  Fe

Subtopic:  VBT, CFT & their Limitations |
 77%
From NCERT
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Tetrahedral and diamagnetic compound among the following is:

1. [NiCl4]2- 2. [Ni(CN)4]2-
3. Ni(CO)4 4. [Ni(H2O)6]2+
Subtopic:  VBT, CFT & their Limitations |
 67%
From NCERT
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The number of ions produced in water by the dissolution of the complex having the empirical formula [Co(NH3)4Cl2]CI is: 

1.  1

2.  2

3.  4

4.  3

Subtopic:  Werner’s Theory |
 78%
From NCERT
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