Coordination number 8 : 8 is of

• CsCl

• KCl

• NaCl

• ZnS

Which of the following differs in EAN?

• [Co(NH₃)₆]Cl₃

• K₄[Fe(CN)₆]

• K₂[ZnCl₄]

• K₂[HgI₄]

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

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

• ferroso ferric cyanide

• ferric- ferrous hexacyanate

• iron(III) hexacyanoferrate(II)

• hexa cyanoferrate(III-II)

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

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

• 2

• 4

• 3

• 1

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

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

• bond isomeric

• coordinated isomeric

• ionic isomeric

• geometrical isomeric

439.

In which of the following complex compounds the oxidation number of the metal is zero?

• [Pt(NH₃)₂Cl₂]

• [Cr(CO)₆]

• [Cr(NH₃)₃Cl₃]

• [Cr(en)₂Cl₂]

Formula of hexaaqua manganese (II) phosphate is

• [Mn(H₂O)]₆PO₄

• [Mn(H₂O)₆]₃PO₄

• [Mn(H₂O)₆]₃(PO₄)₂

• [Mn(H₂O)₆](PO₄)₃