Question

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

Solution

Correct option is

d6 (octahedral, outer orbital)

 

(a) d6 : d2sp3 (n = 0)                (b) d8 : sp3d2 (n = 2) 

(c) d6 : sp3d2 (n = 4)                (d) d4 : (d2sp3) (n = 2)

SIMILAR QUESTIONS

Q1

 

In the reactions  

   

two isomers of the product are obtained. The initial complex is

Q2

On treatment of [Ni(NH3)4]2+ with concentrated HCl, two compounds I and II having the same formula, Ni(NH3)2Cl2 are obtained. I can be converted into II by boiling with dilute HCl. A solution of I reacts with oxalic acid to form [Ni(NH3)2(C2O4) whereas II does not react. Point out the correct statement of the following

Q3

The aqueous 0.01 m of [Co(NH3/6][Co(NH3)(NO2)5]3 is expected to have the depression of freezing point (Kf for water = 1.86 K/m)

Q4

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

Q5

 

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

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

III. [NiCl4]2–     

Q6

Which of the following is an outer orbital complex?

Q7

The most stable ions is

Q8

Which of the following has the largest number of isomers?

Q9

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

Q10

 

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