The geometry and magnetic properties of [NiCl4]2-, respectively, are :
1. Tetrahedral, Paramagnetic
2. Tetrahedral, Diamagnetic
3. Square planar, Paramagnetic
4. Square planar, Diamagnetic
For a tetrahedral complex [MCl4]2-, the spin-only magnetic moment is 3.83 B.M. The element M is:
1. Co
2. Cu
3. Mn
4. Fe
Among the following, the compound that has the maximum coordination number is/are:
1. [Co(NH3)6]3+
2. [Cr(C2O4)3]3-
3. [CoCl3(H2O)3]
4. All of the above have the same coordination number
Two complexes, and , do not give a precipitate of AgCl when treated with . They give zero and three moles of ions, respectively, in solutions for one mole of the complex. The structural formulae of both complexes are:
1. and
2. and
3. and
4. and
The complex among the following with the highest value of crystal field splitting energy is :
1. | \(\left[Fe \left(H_{2} O\right)_{6}\right]^{+ 3}\) | 2. | \(\left[Ru \left( CN \right)_{6}\right]^{3 -}\) |
3. | \(\left[Fe \left(H_{2} O\right)_{6}\right]^{+ 2}\) | 4. | \(\left[Fe \left(NH_{3}\right)_{6}\right]^{3 +}\) |
The complex that can exhibit linkage isomerism is:
1. | [Co(NH3)5H2O]Cl3 | 2. | [Co(NH3)5(NO2)]Cl2 |
3. | [Co(NH3)5NO3](NO3)2 | 4. | [CO(NH3)5Cl]SO4 |
2.335 g of compound X (empirical formal CoH12N4Cl3) upon treatment with excess AgNO3 solution produces 1.435 g of a white precipitate. The primary and secondary valences of cobalt in compound X, respectively are:
[Given Atomic mass: Co = 59, Cl = 35.5, Ag = 108]
1. | 3, 6 | 2. | 3, 4 |
3. | 2, 4 | 4. | 4, 3 |
Spin-only magnetic moments of [Fe(NH3)6]3+ and [FeF6]3- in BM are, respectively :
1. | 1.73 and 1.73 | 2. | 5.92 and 1.73 |
3. | 1.73 and 5.92 | 4. | 5.92 and 5.92 |
The crystal field stabilization energy (CFSE) for [CoCl6]4– is 18000 cm–1.
The CFSE for [CoCl4]2– will be:
1.
2.
3.
4.
Number of possible isomers for the complex [Co(en)2Cl2]Cl will be:
(en=ethylenediamine)
1. | 2 | 2. | 1 |
3. | 3 | 4. | 4 |