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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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 |
 56%
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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 |
 78%
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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 |
 66%
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Mixture of X=0.02mole of [Co(NH3)5SO4]Br and 0.02 mole of [Co(NH3)5Br]SO4 was prepared in 2 litre of solution.

1 litre mixture X+excess AgNO3Y

1 Litre mixture X +excess BaCl2Z

No. of moles of Y and Z are :

1. 0.01,0.01

2. 0.02, 0.01

3. 0.01,0.02

4. 0.02,0.02

Subtopic:  Werner’s Theory |
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The IUPAC name of [Pt(NH3)4NO2Cl]SO4 is :

1. Chloronitroplatinum(IV)sulphate

2. Tetraamminechloridonitrito-Nplatinum(IV)sulphate

3. Chloronitrotetraammineplatinum(IV)sulphate

4. Platinum(IV)tetraamminenitrochloro sulphate

Subtopic:  Introduction, Classification and Nomenclature |
 91%
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The probable formula for prussian blue is :

1. Fe3[Fe(CN)6]2

2. Fe2[Fe(CN)6]3

3. Fe4[Fe(CN)6]3

4. Fe3[Fe(CN)6]4

Subtopic:  Introduction, Classification and Nomenclature |
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The IUPAC name of [CoCl(NO2)(en)2]Cl is:

1. Chloronitro-bis(ethylenediamine)cobalt(III)chloride

2. Chloronitro-bis(ethylenediamine)cobalt(II)chloride

3. Chloro-bis(ethylenediamine)nitrocobalt(III)chloride

4. Bis-(ethylenediamine)chloronitrocobalt(III)chloride

Subtopic:  Introduction, Classification and Nomenclature |
 64%
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