Which of the following statements is false?
1. Ca2+ ions are important in blood clotting
2. Ca2+ ions are not important in maintaining the regular beating of the heart
3. Mg2+ ions are important in the green parts of plants
4. Mg2+ ions form a complex with ATP
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 sum of coordination number and oxidation number of the metal M in the complex M(en)2(C2O4)]Cl (where, en is ethylenediamine) is :
1. 9
2. 6
3. 7
4. 8
The name of complex ion, [Fe(CN)6]3- is :-
1. hexacyanoiron (III) ion
2. hexacyanitoferrate (III) ion
3. tricyanoferrate (III) ion
4. hexacyanidoferrate (III)ion
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+