Question

Mn2+ forms a complex with Br ion. The magnetic moment of the complex is 5.92 B.M. What would be the probable formula and geometry of the complex? 

Solution

Correct option is

[MnBr4]2–, tetrahedral

 

  

(unpaired electrons) = 5

sp3 hybridization (tetrahedral)

SIMILAR QUESTIONS

Q1

 

The increasing order of paramegnatism of

(i) MnSO4.4H2O                       (ii) FeSO4.7H2

(iii) NiSO4.6H2O and                (iv) CuSO4.5H2O

Q2

Which of the following statements is not true about the complex ion [Cr(en)2Cl2]+ (en = ethylene diamine)

Q3

 

Other than the X-ray diffractions, how could be the following pairs of isomers be distinguished from one another by  

[Cr(NH3)6][Cr(NO2)6] and [Cr(NH3)4](NO2)2]

[Cr(NH3)2(NO2)4]

Q4

How the isomeric complexes [Co(NH3)6][Cr(NO2)6] and [Cr(NH3)6][Co(NO2)6] can be distinguished from one another by

Q5

Which of the following ions are optically active?

Q6

Which of the following polymerization isomers of the compound having empirical formula Cr(NH3)3(NO2)3 has the lowest molecular mass?

Q7

Octahedral complex of Ni (II) must be

Q8

Octahedral complex of Cr(III) will be

Q9

For the correct assignment of electronic configuration of a complex, the valence bond theory often requires the measurement of

Q10

How many isomers are possible for the complex ion [Cr(NH3)(OH)2Cl3]2–