Coordination Compounds

The number of unpaired d-electrons in [Co(H2O)6]3+ is .

1. 0
2. 2
3. 1
4. 4

Which of the following complex is homoleptic?

1. [Ni(NH3)2Cl2]
2. [Co(NH3)4Cl2]+
3. [Fe(NH3)4Cl2]+
4. [Ni(CN)4]2-

Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below :

1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect
4. Statement I is correct but Statement II is incorrect

[Co(NH3)6]3+ and [CoF6]3- are respectively known as :

1. Inner orbital Complex, Spin paired Complex
2. Spin paired Complex, Spin free Complex
3. Spin free Complex, Spin paired Complex
4. Outer orbital Complex, Inner orbital Complex

The correct statements from following are: Choose the correct answer from the options given below:

1. B, C only
2. B, D only
3. A, C only
4. A, D only

The 'Spin only' Magnetic moment for [Ni(NH3)6]2+ is 10-1 BM. (given = Atomic number of Ni : 28)

Select the option with correct property -

1. [Ni(CO)4] and [NiCl4]2- both Paramagnetic
2. [Ni(CO)4] and [NiCl4]2- both Diamagnetic
3. [NiCl4]2- Diamagnetic, [Ni(CO)4] Paramagnetic
4. [Ni(CO)4] Diamagnetic, [NiCl4]2- Paramagnetic

Match List I with List II Choose the correct answer from the options given below:

1. A-IV, B-I, C-II, D-III
2. A-III, B-II, C-IV, D-I
3. A-II, B-III, C-IV, D-I
4. A-IV, B-III, C-I, D-II

Choose the correct statements from the following : Choose the correct answer from the options given below :

1. (B), (C), (E) only
2. (A), (D), (E) only
3. (C), (D), (E) only
4. (A), (B), (C) only

The coordination geometry around the manganese in decacarbonyldimanganese(0) is

1. Trigonal bipyramidal
2. Square pyramidal
3. Square planar
4. Octahedral