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 |
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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 |
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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 |
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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 |
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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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Among the following complexes(K,P),K3[Fe(CN)6(k),[Co(NH3)6Cl3(L),Na3[Co(oxalate)3](M),[Ni(H2O)6Cl2(N),K2[Pt(CN)4(O), and [Zn(H2O)6(NO3)2(P) the diamagnetic complexes are:

1. K,L,M,N

2. K,M,O,P

3. L,M,O,P

4. L,M,N,O

Subtopic:  VBT, CFT & their Limitations |
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A solution of CuCl in NH4OH is used to measure the amount of gas by simply measuring change in volume. The gas is

1. CO2

2. H2

3. CO

4. All of the above.

Subtopic:  Introduction, Classification and Nomenclature |
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Which order is correct in spectrochemical series of ligands?

1. Cl-<F-<[C2O4]2-<NO2-<CN-

2. CN-<[C2O4)2-<Cl->NO2-<F-

3. [C2O4)2-<F-<Cl->NO2-<CN-

4. F-<Cl-<NO2-<CN-<[C2O4]2-

Subtopic:  VBT, CFT & their Limitations |
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The compound that will exhibit maximum ionic conductivity in aqueous solution is: 

1. K4[Fe(CN)6]

2. [Co(NH3)6]Cl3

3. [Cu(NH3)4]Cl2

4. [Ni(CO)4]

Subtopic:  Werner’s Theory |
 65%
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