Question

Oxidation number of Fe in violet coloured complex Na4[Fe(CN)5(NO)S] is

Solution

Correct option is

2

O.N. of CN, NO+ and S2– are –1, +1 and –2 respectively.

SIMILAR QUESTIONS

Q1

 

The molar ionic conductances of the octahedral complexes :

(i) PtCl4.5NH3                       (ii) PtCl4.4NH3

(iii) PtCl4.3NH3                     (iv) PtCl4.2NH3

Follow the order

Q2

On treatment of 100 ml of 0.1 M solution of the complex CrCl3.6H2O with excess of AgNO3.4.305g of AgCl was obtained. The complex is

Q3

Which of the following species is not expected to be a ligand

Q4

 

EAN of the central metal in the complexes :

      K2[Ni(CN4].[Cu(NH34]SO4 and K2[PtCl6]

are respectively

Q5

Which of the following pair of complexes have the same EAN of the central metal atoms/ions?

Q6

The complexes that violates the Sidwicks’s rule of EAN is

Q7

The complex ion which has no ‘d’ electrons in the central metal atoms is

Q8

In nitroprusside ion, the iron and NO exists as Fe(II) and rather than Fe(III) and NO. This can be established by

Q9

Complexes [Co(NH3)5SO4]Br and [Co(NH3)5Br]SO4 can be distinguished by

Q10

The coordination number, EAN of the central metal atom and geometry of the complex ion obtained by adding CuSO4 to excess of aqueous KCN are respectively