21. The neutral complex which follows the 18-electron rule is
22. Among the following pair of metal ions present in nature, the first one functions as an electron transfer agent and the second one catalyzes the hydrolysis reactions. The correct pair is
23. John-Teller distortion of CuSO4 · 5H2O acts to
24. The octahedral complex/complex ion which shows both facial and meridional isomers is
25. Arrange the following metal complexes in order of their increasing hydration energy
[Mn(H2O)6]2+
[V(H2O)6]2+
[Ni(H2O)6]2+
[Ti(H2O)6]2+
P
Q
R
S
| [Mn(H2O)6]2+ | [V(H2O)6]2+ | [Ni(H2O)6]2+ | [Ti(H2O)6]2+ |
| P | Q | R | S |
26. The values of M-C stretching frequencies of (i) [V(CO)6]-; (ii) [Cr(CO)6] and (iii) [Mn(CO)6]+ follow the trend
27. The complexes [Co(NH3)4(H2O)Cl]Br2 and [Co(NH3)4Br2]Cl · H2O are
examples of
28. The magnetic moment of [Ru(H2O)6]2+ corresponds to the presence of
29. The compound which has four metal-metal blonds is
30. The increasing order of wavelength of absorption for the complex ions
i. [Cr(NH3)6]3+
ii. [CrCl6]3-
iii. [Cr(OH2)6]3+
iv. [Cr(CN)6]3-
is
i. [Cr(NH3)6]3+
ii. [CrCl6]3-
iii. [Cr(OH2)6]3+
iv. [Cr(CN)6]3-
is