Question

Which of the following is a spin paired complex ion?

Solution

Correct option is

[Co(NH3)6]3+

 

(a) & (b) Cr (III) – 3d3 : d2sp3 (no pairing up);  

(c) Fe (III) – 3d5 : sp3d2 (high or free spin complex,  being a weak ligand). 

(d) Co (III) – 3dd2sp3 (low or paired apin complex, NH3 beking a strong ligand)

SIMILAR QUESTIONS

Q1

Which of the following is an outer orbital complex?

Q2

The most stable ions is

Q3

Which of the following has the largest number of isomers?

Q4

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

Q5

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

Q6

 

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

Q7

Pick out the paramagnetic species of the following

Q8

 

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

Q9

Which of the following is a high spin complex ion?

Q10

Which of the following complexes does not show the geometric isomerism?