JEE Questions for Chemistry Coordination Compounds Quiz 8 - MCQExams.com

Which one of the following is not expected to show paramagnetism ?
  • [Ni (H2O)6]2+
  • Ni (CO)4
  • [Ni (NH3)4]2+
  • [Co(NH3)6]2+
In any ferric salt, on adding potassium ferrocyanide a Prussian blue colour is obtained which is due to the formation of
  • K3[Fe(CN)6]
  • KFe[Fe(CN)6]
  • FeSO4.Fe(CN)6
  • Fe4[Fe(CN)6]3
The compound which does not show paramagnetism is
  • [Cu (NH3)4]Cl2
  • [Ag(NH3)2]Cl
  • NO
  • NO2
Amongst the following ions which one has the highest paramagnetism ?

  • Chemistry-Coordination Compounds-3146.png
  • 2)
    Chemistry-Coordination Compounds-3147.png

  • Chemistry-Coordination Compounds-3148.png

  • Chemistry-Coordination Compounds-3149.png
The above complex is obtained by
Chemistry-Coordination Compounds-3150.png
  • Mixing equimolar amounts of CuSO4 and (NH4)2 SO4
  • Adding concentrated ammonia solution to a solution of CuSO4
  • Adding ammonia to copper turnings followed by acidification with H2SO4
  • Adding (NH4)2SO4 to a mixture of copper turnings in H2SO4
K3[Al(C2O4)3] is called
  • Potassium alumino oxalate
  • Potassiumtrioxalatoaluminate (III)
  • Potassium aluminium (III) oxalate
  • Potassium trioxalato aluminate (IV)
Among the following complexes, optical acitvity is possible in
  • [Co( NH3)6]3+
  • Co(H2O)2 (NH3)2Cl2]+
  • [Cr(H2O)4 Cl2]+
  • [Co(CN)5NC ]
The blue complex formed on addition of conc. NH4OH solution to a Cu2+ salt solution has the formula
  • [Cu (NH4)4]2+
  • [Cu (NH3)2 ]2+
  • [Cu ( NH3)4]2+
  • [Cu(NH4)2]2+
The formula of sodium nitroprusside is
  • Na4[Fe(CN)5NOS]
  • Na2[Fe(CN)5NO]
  • NaFe[Fe(CN)6]
  • Na2[Fe(CN)6NO2]
Coordination number and oxidation number of Cr in K3[Cr (C2O4)3] are, respectively
  • 4 and +2
  • 6 and + 3
  • 3 and + 3
  • 3 and 0
Which of the following ions forms most stable complex compound?
  • Cu++
  • Ni++
  • Fe++
  • Mn++
Correct IUPAC name of K4[Fe(CN)6] is ?
  • Tetra potassium ferrous cyanide
  • Potassium ferri cyanide
  • Potassium ferro cyanide
  • Potassiumhexacyanoferrate (II)
The number of sigma and pi bonds in the compound respectively are
Chemistry-Coordination Compounds-3151.png
  • 19, 11
  • 19, 5
  • 13, 11
  • 7 , 3
Which of the following is paramagnetic ?
  • [Ni(CO)4]
  • [Co(NH3)6]2+
  • [Ni (CN)4]2‒
  • [NiCl4]2‒
The formula, dichlorobis (urea) copper (II) is
  • [Cu {O = C (NH2)2}]Cl2
  • [CuCl2{O = C(NH2)2}2]
  • [Cu {O = C (NH2)2}Cl] Cl
  • [CuCl2{O = C (NH2)2}2]
Which of the following has square planar structure ?
  • [NiCl4]2-
  • [Ni(CO)4]0
  • [Ni(CN)4]2-
  • None of these
In which of the following compounds, the central metal atom obeys EAN rule ?
  • All
  • K3[Fe(CN)6]
  • K4[Fe(CN)6]
  • [Cu(NH3)4]SO4
Which of the following compounds is not coloured ?
  • Na2[CuCl4]
  • Na2[CdCl4]
  • K4[Fe(CN)6]
  • K3[Fe(CN)6]
In nitroprusside ion, the iron and NO exist as FeII and NO+ rather than FeIII and NO.These forms can be differentiated by
  • Estimating the concentration of iron
  • Measuring the concentration of CN‒
  • Measuring the solid state magnetic moment
  • Thermally decomposing the compound
Which one of the following shows maximum paramagnetic character ?

  • Chemistry-Coordination Compounds-3152.png
  • 2)
    Chemistry-Coordination Compounds-3153.png

  • Chemistry-Coordination Compounds-3154.png

  • Chemistry-Coordination Compounds-3155.png
IUPAC name of [Pt (NH3)3Br(NO2)Cl]Cl is
  • Triamminechlorobromonitroplatinum (IV) chloride
  • Triamminebromonitrochloroplatinum (IV) chloride
  • Triamminebromochloronitroplatinum (IV) chloride
  • Triamminenitrochlorobromoplatinum (IV) chloride
AgCl precipitate dissolves in NH4OH due to the formation of

  • Chemistry-Coordination Compounds-3156.png
  • 2)
    Chemistry-Coordination Compounds-3157.png

  • Chemistry-Coordination Compounds-3158.png

  • Chemistry-Coordination Compounds-3159.png
Which of the following species represent the example of dsp2 hybridization ?

  • Chemistry-Coordination Compounds-3160.png
  • 2)
    Chemistry-Coordination Compounds-3161.png

  • Chemistry-Coordination Compounds-3162.png

  • Chemistry-Coordination Compounds-3163.png
The geometry of Ni (CO)4 and Ni(PPh3)2 Cl2 are
  • Both square planar
  • Tetrahedral and square planar
  • Both tetrahedral
  • Square planar and tetrahedral
In which of the following compound transition metal has zero oxidation state?
  • CrO5
  • [Ni(NH2.NH2)2]2+
  • Co(ClO4)2
  • [Fe(CO)5]
What is the shape of Fe (CO)5 molecule ?
  • Tetrahedral
  • Octahedral
  • Trigonal bipyramidal
  • Square pyramidal
Which of the following will give four isomers ?
  • [Co(en) (NH3)2 Cl2]Cl
  • [Co(PPh3)2 (NH3)2Cl2]Cl
  • [Co(en)3]Cl3
  • [Co(en)2Cl2]Br
According to the postulates of Werner for coordination compounds
  • Primary valency is ionizable
  • Secondary valency is ionizable
  • Primary and secondary valencies are nonionizable
  • Only primary valency is non- ionizable
Correct formula of the complex formed in the brown ring test for nitrates is
  • FeSO4.NO
  • [Fe(H2O)5NO]2+
  • [Fe(H2O)5NO]+
  • Fe(H2O)5 NO]3+
  • [Fe(H2O)4(NO)2]
Which of the following will exhibit optical isomerism ?

  • Chemistry-Coordination Compounds-3164.png
  • 2)
    Chemistry-Coordination Compounds-3165.png

  • Chemistry-Coordination Compounds-3166.png

  • Chemistry-Coordination Compounds-3167.png
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