If FeCl3 . 6H2O would exist as a complex, one mol of it in aqueous solution on reaction with excess of AgNO3 forms:
1 mol of AgCl (white precipitate)
Salt exists as [Fe(H2O)4Cl2]Cl.2H2O with only one ionisable Cl–. Thus, 1 mol of AgCl is formed.
Select the complex that can be reduced most easily.
0.001 mol of cobalt complex having molecular formula represented by Co(NH3)5(NO3)(SO4) was passed through a cation exchange (RSO3H) and the acid coming out of it was titrated with 0.1 M NaOH solution. For complete neutralization of acid coming out of cation exchanger the volume of NaOH required was 20.00 ml. From the above data we can say that the complex can be represented as
Three different solutions were prepared by dissolving same amounts of the following complexes I, II, III in water. The freezing points of these solutions were then determined. The correct orders of freezing points will be :
II. [Co(NH3)5(NO2)]2+ [Co(NH3)2(NO2)4]2
[Given : Kf(H2O) = 1.86oC/m]
The correct order of ligands in the trans-directing series is
Effective atomic number (EAN) of Fe in brown ring complex [Fe(H2O)5NO]2+
Increasing value of magnetic moments of :
I : Ni(CO)4, II : [Ti(H2O)6]2+,
III : [V(H2O)6]2+, IV : [Fe(H2O)6]2+ is:
[Fe(H2O)5NO2+] is brown-ring complex in NO3–. In this complex: