Q. No.Among the following complexes, the one which shows zero crystal field stabilisation
energy (CFSE) is:-
1. [Mn(H2O)6]3+
2. [Fe(H2O)6]3+
3. [Co(H2O)6]2+
4. [Co(H2O)6]3+
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
A magnetic moment of 1.73 BM will be shown by one among the following
1. [Cu(NH3)4]2+
2. [Ni(CN)4]2-
3. TiCl4
4. [CoCl6]4-
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
1. [Ni(NH3)6]2+
2. [Zn(NH3)6]2+
3. [Cr(NH3)6]3+
4. [Co(NH3)6]3+
The d-electron configurations of Cr2+, Mn2+, Fe2+ and CO2+ are d4, d5, d6 and d7
respectively. Which one of the following will exhibit minimum paramagnetic behaviour?
(At. no. Cr = 24, Mn =25, Fe=26, CO=27)
1. [Fe(H2O)6]2+
2. [Co(H2O)6]2+
3. [Cr(H2O)6]2+
4. [Mn(H2O)6]2+
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+
Which of the following complex ions is expected to absorb visible light:
(At. no. Zn =30, Sc =21, Ti =22, Cr=24)
1. [Sc(H2O)3(NH3)3]3+
2. [Ti(en)2(NH3)2]4+
3. [Cr(NH3)6]3+
4. [Zn(NH3)6]2+
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