When 0.1 mol CoCl3(NH3)5 is treated with an excess of AgNO3, 0.2 mol of AgCl are obtained. The conductivity of the solution will correspond to-

1. 1:3 electrolyte

2. 1:2 electrolyte

3. 1:1 electrolyte

4. 3:1 electrolyte

Subtopic:  Introduction, Classification and Nomenclature |
 70%
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When 1 mole of CrCl36H2O is treated with excess of AgNO3, 3 moles of AgCl are obtained. The formula of the complex is:

1. [CrCl3(H2O)3].3H2O
2. [CrCl2(H2O)4]Cl.2H2O
3. [CrCl3(H2O)5]Cl2.H2O
4. [Cr(H2O)6]Cl3

Subtopic:  Introduction, Classification and Nomenclature |
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The correct IUPAC name of [Pt(NH3)2Cl2] is

1. Diamminedichloridoplatinum (ll)

2. Diamminedichloridoplatinum (lV)

3. Diamminedichloridoplatinum (0)

4. Dichloridodiammineplatinum (lV)

Subtopic:  Introduction, Classification and Nomenclature |
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The stabilization of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?

1. Fe(CO)5 2. \(Fe(CN)_{6}^{3-}\)
3. \(Fe(C_{2}O_{3})_{3}^{3-}\) 4. \([Fe(H_{2}O)_{6}]^{3+}\)
Subtopic:  Introduction, Classification and Nomenclature | Ligands |
 73%
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Indicate the complex ion which shows geometrical isomerism-
1. [Cr(H2O)4 Cl2]+
2. [PT(NH3)3 Cl]
3. [Co(NH3)6]3+
4. [Co(CN)6]3-

Subtopic:  Isomerism in Coordination Compounds |
 78%
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The CFSE for octahedral  CoCl64- is 18,000 cm-1 . The CFSE for tetrahedral will be CoCl42-

1. 6000 cm-1

2. 16,000 cm-1

3. 18,000 cm-1

4. 8,000 cm-1

Subtopic:  VBT, CFT & their Limitations |
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Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type Pd( C6H5 )2(NCS)2 and Pd(C6H5)2(SCN)2 are

1. Linkage isomers   
2. Coordination isomers
3. Ionization isomers 
4. Geometrical isomers

Subtopic:  Isomerism in Coordination Compounds |
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The compounds [Co(SO4 (NH3)5 ]Br and [Co(SO4 (NH3)5 ]Cl classified as:

1. Linkage isomerism
2. Ionisation isomerism
3. Coordination isomerism
4. No isomerism

Subtopic:  Isomerism in Coordination Compounds |
 54%
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Which of the following species is not expected to be a ligand?

1.  NO

2.  NH4+

3.  NH2CH2CH2NH2

4.  CO

Subtopic:  Ligands |
 86%
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Which of the following species is not expected to be a ligand?

1. NO

2. NH4+

3. NH2CH2CH2NH2

4. CO

Subtopic:  Ligands |
 97%
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