Coordination number of Fe in the complexes [Fe(CN)6]4-, [FeCN)6]3

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 Multiple Choice QuestionsMultiple Choice Questions

101.

Correct IUPAC nomeclature of K4[Fe(CN)6] is

  • tetra potassium ferrous cyanide

  • potassium ferri cyanide

  • potassium ferrocyanide

  • potassium hexacyanoferrate (II)


102.

In CsCl structure, the coordination number of Cs+ is

  • equal to that of Cl, that is 6

  • equal to that of Cl, that is 8

  • not equal to that of Cl, that is 6

  • not equal to that of Cl, that is 8


103.

Coordination number 8 : 8 is of

  • CsCl

  • KCl

  • NaCl

  • ZnS


104.

Which of the following differs in EAN?

  • [Co(NH3)6]Cl3

  • K4[Fe(CN)6]

  • K2[ZnCl4]

  • K2[HgI4]


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105.

The pair of coordination compounds [Co(NH3)5Br]SO4 and [Co(NH3)5SO4]Br is an example for

  • geometrical isomerism

  • coordination isomerism

  • structural isomerism

  • ionisation isomerism


106.

The correct nomenclature Fe4[Fe(CN)6]3

  • ferroso ferric cyanide

  • ferric- ferrous hexacyanate

  • iron(III) hexacyanoferrate(II)

  • hexa cyanoferrate(III-II)


107.

For an ionic crystal of the general formula AX and coordination number is 6, the value of radius ratio will be

  • greater than 0.73

  • in between 0.73 and 0.41

  • in between 0.41 and 0.22

  • less than 0.22


108.

Number of ions for the complex [Co(NH3)4Cl]Cl2 shown by the conductivity measurement, is

  • 2

  • 4

  • 3

  • 1


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109.

Coordination number of Fe in the complexes [Fe(CN)6]4-, [FeCN)6]3- and [FeCl4]- would be respectively

  • 6, 3, 4

  • 6, 6, 4

  • 2, 3, 3

  • 6, 4, 6


B.

6, 6, 4

The total number of mono dentate ligands attached to the central metal ion through coordinate bonds is called coordination number of the metal ion.

Coordination number of Fe in the complexes [Fe(CN)6]4-, [FeCN)6]3- and [FeCl4]- would be respectively 6, 6 and 4.


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110.

[(C6H5)2Pd(NCS)2] and [(C6H5)2Pd(SCN)2] are

  • bond isomeric

  • coordinated isomeric

  • ionic isomeric

  • geometrical isomeric


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