Q. No.An example of a sigma bonded organometallic compound is:
1. Ruthenocene
2. Grignard's reagent
3. Ferrocene
4. Cobaltocene
The correct order of the stoichiometrics of AgCl formed when AgNO3 in excess is treated with the complexes:- CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3, respectively, is :
1. 1 AgCl, 3 AgCl, 2 AgCl
2. 3 AgCl, 1 AgCl, 2 AgCl
3. 3 AgCl, 2 AgCl, 1 AgCl
4. 2 AgCl, 3AgCl, 1 AgCl
The correct statement among the following about [Co(CN)6]3- is :
| 1. | It has no unpaired electrons and will be in a low-spin configuration |
| 2. | It has four unpaired electrons and will be in a low-spin configuration |
| 3. | It has four unpaired electrons and will be in a high-spin configuration |
| 4. | It has no unpaired electrons and will be in a high-spin configuration |
The total number of possible isomers for the complex [Co(en)2Cl2]Cl are:
[en-ethylenediamine]
1. 2
2. 1
3. 3
4. 4
The hybridisation of Ni in the complex [Ni(CN)4]2- is:
(Atomic number of Ni = 28)
1. dsp2
2. sp3
3. d2sp2
4. d2sp3
The complex that is used as an anticancer agent is:
1. mer-[Co(NH3)3Cl3
2. cis-[PtCl2(NH3)2]
3. cis-K2[PtCl2 Br2]
4. Na2CoCl4
Of the following complex ions, the diamagnetic complex is:
1. [Ni(CN)4]2-
2. [CuCl4]2-
3. [CoF6]3-
4. [NiCl4]2-
The complexes [CO(NH3)6][Cr(CN)6] and [Cr(NH3)6][Co(CN)6] are examples of:
| 1. | lonisation isomerism | 2. | Coordination isomerism |
| 3. | Geometrical isomerism | 4. | Linkage isomerism |
The complex that does not exhibit optical isomerism is:
(en-ethylenediamine)
1. [Co(en)2Cl2]+
2. [Co(NH3)3Cl3]
3. [Co(en)Cl2(NH3)2]+
4. [Co(en)3]3+
∆oct(CFSE in the octahedral field) will be maximum in:
(Atomic number Co = 27)
1. [Co(H2O)6]3+
2. [Co(NH3)6]3+
3. [Co(CN)6]3
4. [Co(C2O4)3]3
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