The crystal field stabilization energy (CFSE) for [CoCl6]4– is 18000 cm–1.
The CFSE for [CoCl4]2– will be:
1.
2.
3.
4.
What is the correct electronic configuration of the central atom in based on crystal field theory?
1.
2.
3.
4.
What is the correct electronic configuration of the central atom in based on crystal field theory:
1.
2.
3.
4.
[Cr(H2O)6]Cl3 (At. No. of Cr = 24) has a magnetic moment of 3.83 BM.
The correct distribution of 3d electrons in the chromium of the complex is:
1.
2.
3.
4.
[Co(NH3)4(NO2)2]Cl exhibits:
1. | linkage isomerism, ionization isomerism, and optical isomerism |
2. | linkage isomerism, ionization isomerism, and geometrical isomerism |
3. | ionization isomerism, geometrical isomerism, and optical isomerism |
4. | linkage isomerism, geometrical isomerism, and optical isomerism |
A pair that contains both the ions coloured in an aqueous solution is:
(At. no. : Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)
1. | \(N i^{2+}, T i^{3+} \) | 2. | \(S c^{3+}, T i^{3+} \) |
3. | \(\mathrm{Sc}^{3+}, \mathrm{Co}^{2+} \) | 4. | \(\mathrm{Ni}^{2+}, \mathrm{Cu}^{+}\) |
The compound that gives a pair of enantiomorphs is:
(en = NH2 CH2CH2 NH2)
1.
2.
3.
4.
CFSE (in the octahedral field) will be maximum in:
(Atomic number Co = 27)
1.
2.
3.
4.
Which of the following complexes has the highest paramagnetic behaviour?
(where gly = glycine, en = ethylenediamine, ox = oxalate ion and bpy = bipyridyl moieties )
(At no : Ti= 22, V = 23, Fe = 26, Co = 27)
1. [V(gly)2(OH)2(NH3)2]+
2. [Fe(en)(bpy)(NH3)2]2+
3. [Co(ox)2(OH)2]-
4. [Ti(NH3)6]3+
Out of , , Cu2Cl2 and (Z of Ti = 22, Co=27, Cu = 29, Ni= 28) the colourless species are:
1.
2.
3.
4.