Q. No.
Which of the following has square planar structure?
1. [NiCl4]2-
2. [Ni(CO)4]
3. [Ni(CN)4]2-
4. None of these
The crystal field stabilisation energy for the high spin d4 octahedral complex is:
1. -1.8 o
2. -1.6 o
3. -1.2 o
4. -0.6 o
Which of the following complex will show geometrical as well as optical isomerism ?
1. [Pt(NH3)2Cl2]
2. [Pt(NH3)Cl3]
3. [Pt(en)2Cl2]
4. [Pt(en)3]4+
[Cu(NH3)4]2+ is complex which have
1. Square planar structure and diamagnetic nature
2. Tetrahedral structure and paramagnetic nature
3. Square planar structure and paramagnetic nature
4. Tetrahedral structure and diamagnetic behaviour.
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
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of \(\text{Co}^{3+}\) is:
| 1. | \(\left[\mathrm{Co}(\mathrm{en})_3\right]^{3+}<\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}<\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}\) |
| 2. | \(\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}<\left[\mathrm{Co}(\mathrm{en})_3\right]^{3+}<\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}\) |
| 3. | \(\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}<\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}<\left[\mathrm{Co}(\mathrm{en})_3\right]^{3+}\) |
| 4. | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}<\left[\mathrm{Co}(\mathrm{en})_3\right]^{3+}<\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}\) |
Which of the following statements regarding the complex ion [Mn(CN)6]3- is correct?.
1. It is sp3d2 hybridised and octahedral.
2. It is d2sp3 hybridised and octahedral.
3. It is sp3d2 hybridised and tetrahedral.
4. It is dsp2 hybridised and square planar.
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