Question

 

Arrange the following in the increasing order of paramagnetism : 

I: [Fe(H2O)6]Cl3

II: K4[Fe(CN)6

III: K3[Fe(CN)6

IV: [Fe(H2O)6]SO4.H2O

Solution

Correct option is

II < III < IV < I

H2O is a weak nucleophile (ligand) and CN is a strong nucleophile.

SIMILAR QUESTIONS

Q1

Ethylenediaminetetraacetic acid (EDTA) is the antidote for lead poisoning. It is administered in the form of 

Q2

 

Which of the following ions are expected to be paramagnetic to the same extent? 

I. [FeF6]3–                              II. [MnCl4]2–

III. [NiCl4]2–     

Q3

Which of the following is an outer orbital complex?

Q4

The most stable ions is

Q5

Which of the following has the largest number of isomers?

Q6

The number of geometric isomer of the complex Cr(NH3)3Cl3 is

Q7

A coordination complex having which one of the following descriptions would be paramagnetic to the maximum extent?

Q8

 

Consider the complex : K3[Co(C2O4)2Cl2

The coordination number, the oxidation number of Co and the number of unpaired electrons on the metal are respectively

Q9

Pick out the paramagnetic species of the following

Q10

Which of the following is a high spin complex ion?