1. | The shapes of dxy, dyz, and dzx orbitals are similar to each other; and dx2 -y2 and dz2 are similar to each other. |
2. | All the five 5d orbitals are different in size when compared to the respective 4d orbitals. |
3. | All the five 4d orbitals have shapes similar to the respective 3d orbitals. |
4. | In an atom, all the five 3d orbitals are equal in energy in free state. |
1. | B > A > C | 2. | A > B > C |
3. | C > B > A | 4. | C > A > B |
The correct order of spin-only magnetic moment for the given complexes is:
1. \([Co(H_2O)_6]^{2+} > [MnCl_6]^{3-} > [Fe(CN)_6]^{3-} \)
2. \([Fe(CN)_6]^{3-} >[Co(H_2O)_6]^{2+} > [MnCl_6]^{3-} \)
3. \([MnCl_6]^{3-} >[Fe(CN)_6]^{3-} >[Co(H_2O)_6]^{2+} \)
4. \([MnCl_6]^{3-} > [Co(H_2O_6]^{2+} > [Fe(CN)_6]^{3-} \)
Match Column I with Column II, Columns I and II represent complexes and magnetic moment (BM) respectively.
Column I | Column II |
(a). [FeCN6]3- | (i). 5.92 BM |
(b). [Fe(H2O)6]3+ | (ii). 0 BM |
(c). [Fe(CN)6]4- | (iii). 4.90 BM |
(d). [Fe(H2O)6]2+ | (iv). 1.73 BM |
Choose the correct answer from the options given below:
(a). | (b). | (c). | (d). | |
1. | (i). | (iii). | (iv). | (ii). |
2. | (iv). | (i). | (ii). | (iii). |
3. | (iv). | (ii). | (i). | (iii). |
4. | (ii). | (iv). | (iii). | (i). |
What is the correct electronic configuration of the central atom in based on crystal field theory:
1.
2.
3.
4.
The crystal field stabilization energy (CFSE) for [CoCl6]4- is 18000 cm-1.
The CFSE for [CoCl4]2- will be:
1.
2.
3.
4.
1. square planar geometry and diamagnetic
2. tetrahedral geometry and diamagnetic
3. square planar geometry and paramagnetic
4. tetrahedral geometry and paramagnetic
The correct increasing order for the wavelengths of absorption in complexes of Co3+ is:
1. [Co(H2O)6]3+ < [Co(en)3]3+ < [Co(NH3)6]3 +
2. [Co(H2O)6]3+ < [Co(NH3)6]3+ < [Co(en)3]3+
3. [Co(NH3)6]3+ < [Co(en)3]3+ < [Co(H2O)6]3+
4. [Co(en)3]3+ < [Co(NH3)6]3+ < [Co(H2O)6]3+
The correct statement among the following regarding [Mn(CN)6]3-is:
1. It is sp3d2 hybridized and tetrahedral.
2. It is d2sp3 hybridized and octahedral.
3. It is dsp2 hybridised and square planar.
4. It is sp3d2 hybridised and octahedral.
The hybridization involved in the complex is:
(Atomic number of Ni=28)
1.
2.
3.
4.