The primary valency of Fe in K3[Fe(CN)6] is:

1. 3

2. 2

3. 1

4. zero

Subtopic:  Werner’s Theory |
 87%
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The IUPAC name for the complex [Co(NO2)(NH3)5]Cl2 is:

1. Nitro-N-pentaamminecobalt(III)chloride

2. Nitro-N-pentaamminecobalt(II)chloride

3. Pentamminenitro-N-cobalt(II)chloride

4. Pentaamminenitrito-N-cobalt(III)chloride.

Subtopic:  Introduction, Classification and Nomenclature |
 59%
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The total number of possible isomers for the complex compound[CuII(NH3)4][PtIICl4] are

1. 5

2. 6

3. 3

4. 4

Subtopic:  Isomerism in Coordination Compounds |
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Glycinato ligand is :

1. 

2. bidentate ligand

3. two donor sites N and O-

4. all of the above

Subtopic:  Ligands |
 86%
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Out of TiF62-,CoF63-, Cu2Cland NiCl42-(At. no. Z of Ti=22, Co=27, Cu=29, Ni=28), the colourless species are

1. TiF62- and CoF63-

2. Cu2Cl2 and NiCl42-

3. TiF62- and Cu2Cl2 

4. CoF63- and NiCl42-

Subtopic:  VBT, CFT & their Limitations |
 70%
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The correct name of the compound [Cu(NH3)4](NO3)2, according to IUPAC system is:

1. cuprammonium nitrate

2. tetraamminecopper(II)dinitrate

3. tetraamminecopper(II)nitrate

4. tetraamminecopper(I)dinitrate

Subtopic:  Introduction, Classification and Nomenclature |
 62%
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Ferrocene is :

1. Fe(η5-C5H5)2

2. Fe(η2-C5H5)2

3. Cr(η5-C5H5)5

4. Os(η5-C5H5)2

Subtopic:  Organometallic Complexes & their Uses |
 65%
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The ionization isomer of [Cr(H2O)4Cl(NO2)]Cl is:

1. [Cr(H2O)4(O2N)]Cl2 2. [Cr(H2O)4Cl2](NO2)
3. [Cr(H2O)4Cl(ONO)]Cl 4. [Cr(H2O)4Cl2(NO2)].H2O
Subtopic:  Isomerism in Coordination Compounds |
 75%
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Among [Ni(CO)4],[Ni(CN)4]2-, [NiCl4]2- species, the hybridisation states of the Ni atom are, respectively (At. no. of Ni=28)

1. sp3,dsp2.dsp2

2. sp3,dsp2,sp3

3. sp3,sp3,dsp2

4. dsp2,sp3,sp3

Subtopic:  VBT, CFT & their Limitations |
 70%
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The correct order of magnetic moments (only spin value in BM)among is:

1. [Fe(CN)6]4->[CoCl4]2->[MnCl4]2-

2. [MnCl4]2->[Fe(CN)6]4>[CoCl4]2-

3. [Fe(Cn)6]4>[MnCl4]2->[CoCl4]2-

4. [MnCl4]2->[CoCl4]2->[Fe(CN)6]4-

Subtopic:  VBT, CFT & their Limitations |
 67%
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