Which one of the following ions exhibits d-d transition and param

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

221.

Pick out the correct statement with respect
[Mn(CN)6]3–

  • It is sp3d2 hybridised and octahedral

  • It is sp3d2 hybridised and tetrahedral

  • It is d2sp3 hybridised and octahedral

  • It is d2sp3 hybridised and octahedral

975 Views

222.

Match the metal ions given in Column I with the spin magnetic moments of the ions given in Column II and assign the correct code :
Column I Column II
a. Co3+ i. 8 BM
b. Cr3+ ii. 35 BM
c. Fe3+ iii. 3 BM
d. Ni2+ iv. 24 BM
    v. 15 BM

  • a b c d
    iv v ii i
  • a b c d
    i ii iii iv
  • a b c d
    iii v i ii
  • a b c d
    iv i ii iii

Advertisement

223.

Which one of the following ions exhibits d-d transition and paramagnetism as well?

  • CrO42-

  • Cr2O72-

  • MnO42-

  • MnO4-


C.

MnO42-

CrO42-  Cr+6 = [Ar]Unpaired electron (n) = 0; DiamagneticCr2O72- Cr+6 = [Ar]Unpaired electron (n) = 0; DiamagneticMnO42- = Mn6+ = [Ar] 3d1Unpaired electron (n) = 1; ParamagneticMnO4- =Mn+7 = [Ar]Unpaired electron (n) = 0; Diamagnetic


Advertisement
224.

Iron carbonyl, Fe(CO)5 is

  • Tetranuclear

  • Mononuclear

  • Dinuclear

  • Trinuclear


Advertisement
225.

The type of isomerism shown by the complex [CoCl2(en)2] is

  • Geometrical isomerism

  • Coordination isomerism

  • Linkage isomerism

  • Ionization isomerism


226.

The geometry and magnetic behaviour of the complex [Ni(CO)4] are

  • Square planar geometry and diamagnetic

  • Tetrahedral geometry and diamagnetic

  • Tetrahedral geometry and paramagnetic

  • Square planar geometry and paramagnetic


227.

Consider the following species:
CN+, CN, NO and CN

Which one of these will have the highest bond order?

  • NO

  • CN-

  • CN

  • CN+


228.

Which of the following compound is not coloured?

  • Na2CuCl

  • Na2Cd.Cl4

  • FeSO4

  • VI3


Advertisement
229.

Which of the following coordination compounds would exhibit optical isomerism?

  • Pentamminentirocobalt (III) iodide

  • Tris-(ethylenediamine) cobalt (III) bromide

  • Trans-dicyanobis (ethylenediamine)

  • Diamminedinitroplatinum (II)


230.

Sulphur reacts with chlorine in 1:2 ratio and forms X. Hydrolysis of X gives a sulphur compound Y. The hybridization of the central atom in the anion Y is

  • sp3

  • sp2

  • sp3d

  • sp


Advertisement