Which of the following cation does not form an ammine complex with excess of ammonia?

1. Ag+

2. Cu2+

3. Cd2+

4. Na1+

Subtopic:  Coordination comp,Introduction and Classification / Nomenclature |
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What is the denticity of EDTA?

1. Monodentate

2. Hexadentate

3. Bidentate

4. Tridentate

Subtopic:  Ligands |
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The coordination number of cobalt in[Co(en)2Br2]Cl2 is:

1. 2

2. 4

3. 6

4. 8

Subtopic:  Werner’s Theory |
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The correct IUPAC name of KAI(SO4)2.12H2O is:

1. aluminium potassium sulphate-12-water

2. potassium aluminium(III)sulphate-12-water

3. potassium aluminate(III)sulphatehydrate

4. aluminium(III) potassium sulphate hydrate-12

Subtopic:  VBT & CFT & their Limitations |
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The correct IUPAC name of Mn3(CO)12 is :

1. dodecacarbonylmanganate(0)

2. dodecacarbonylmanganate(II)

3. dodecacarbonyltrimanganese(0)

4. manganicdodecacarbonyl0)

Subtopic:  Coordination comp,Introduction and Classification / Nomenclature |
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The complex showing a spin-only magnetic moment of 2.82 B.M. is:

1. Ni(CO)4

2. [NiCl4]2-

3. Ni(PPh3)4

4. [Ni(CN)4]2-

Subtopic:  VBT & CFT & their Limitations |
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Atomic number of Cr and Fe are respectively 24 and 26 which of the following is paramagnetic with the spin of electron?

1. [Cr(CO)6]

2. [Fe(CO)5]

3. [Fe(CN)6]4-

4. [Cr(NH3)6]3+

Subtopic:  VBT & CFT & their Limitations |
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The compound which does not show paramagnetism is:

1. [Cu(NH3)4]Cl2

2. FeO

3. NO

4. N2O4

Subtopic:  VBT & CFT & their Limitations |
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A solution containing 2.675g of CoCl3.6NH3(molar mass=267.5g mol-1) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNo3 to give 4.78g of AgCl(molar mass=143.5g mol-1). The formula of the complex is:(At.mass of Ag=108u)

1. [CoCl(NH3)5]Cl2

2. [CO(NH3)6]Cl3

3. [CoCl2(NH3)4]Cl

4. [CoCl3(NH3)3]

Subtopic:  Werner’s Theory |
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Trunbull's blue is :

1. ferricyanide

2. ferrous ferricyanide

3. ferrous cyanide

4. ferri ferrocyanide

Subtopic:  Coordination comp,Introduction and Classification / Nomenclature |
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