Question

 

The increasing order of paramegnatism of

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

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

Solution

Correct option is

IV < III < II < I

 

Mn2+ – 3d5 (5 U.P. electron) ; Fe2+ – 3d6 (4 U.P. electrons)  

Ni2+ – 3d8 (2 U.P. electrons) ; Cu2+ – 3d9 (1. U.P. electron)

SIMILAR QUESTIONS

Q1

Which is diamagnetic and Which is paramagnetic amongest [Ni(CO)4], [Ni(CN)4]2– and [NiCl4]2–

Q2

Which of the following is non-conducting?

Q3

Aqueous solution of FeSO4 gives tests for both Fe2+ and  but after addition of excess of KCN, solution ceases to give test for Fe2+. This is due to of the formation

Q4

 

Which of the following statement(s) is/are correct with reference to Fe2+and Fe3+ ions?

(i) Fe3+ gives brown colour with potassium ferricyanide 

(ii) Fe2+ gives blue colour with potassium ferricyanide 

(iii) Fe3+ gives red colour with potassium thiocyanate

(iv) Fe2+ gives brown colour with ammonium thicyanate

Q5

The disodium salt of ethylenediamine tetra acetic acid can be used to estimate the following ion(s) in the aqueous solution

Q6

[Cu(NH3)4]2+ has hybridisation and magnetic moment

Q7

[FeF6]3– has Fe atom …. hybridized with unaired ….. electrons

Q8

Which of the following statements about Fe(CO)5 is correct?

Q9

Which of the following statements is not ture?

Q10

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