Coordination Compounds Test 5

Total Questions:50 Total Time: 75 Min



Questions 1 of 50

Question:In \({K_4}Fe{\left( {CN} \right)_6}\)

Answers Choices:

(CN) are linked with primary valency

(CN) are linked with secondary valency

K are linked with secondary valency

K are linked with non-ionic valency

Questions 2 of 50

Question:The co-ordination number of copper in cuprammonium sulphate is

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Questions 3 of 50

Question:Which of the following acts as a bidentate ligand in complex formation

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Questions 4 of 50

Question:The coordination number of \(Cu\) in complex \({\left[ {Cu{{\left( {{H_2}O} \right)}_4}} \right]^{ + + }}\) is

Answers Choices:





Questions 5 of 50

Question:The primary valence of the metal ion in the co-ordination compound \({K_2}\left[ {Ni{{\left( {CN} \right)}_4}} \right]\) is

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Questions 6 of 50

Question:The metal which does not form a polynuclear carbonyl is

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Questions 7 of 50

Question:The ligand in potassium ferricyanide is

Answers Choices:

\({K^ + }\)

\(C{N^ - }\)

\(F{e^{3 + }}\)

\({\left( {CN} \right)_6}\)

Questions 8 of 50

Question:Co-ordination number of aluminum is

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Questions 9 of 50

Question:In \({K_4}Fe{\left( {CN} \right)_6},\) \(Fe\) is in the form of

Answers Choices:

An atom

An ion

Cationic complex

Anionic complex

Questions 10 of 50

Question:EDTA combines with cations to form

Answers Choices:

Ion-exchange resins




Questions 11 of 50

Question:An example of a double salt is

Answers Choices:

Bleaching powder



Potash alum

Questions 12 of 50

Question:In complex compounds, metal ligand bond is

Answers Choices:

Coordinate bond

Hydrogen bond

Ionic bond

Covalent bond

Questions 13 of 50

Question:The formula of dichloro bis (urea) copper (II) is

Answers Choices:

\(\left[ {Cu\{ O = C{{(N{H_2})}_2}\} C{l_2}} \right]\)

\(\left[ {CuC{l_2}{{\{ O = C{{(N{H_2})}_2}\} }_2}} \right]\)

\(\left[ {Cu\{ O = C{{(N{H_2})}_2}\} Cl} \right]Cl\)

\(\left[ {CuC{l_2}} \right]\{ O = C{(N{H_2})_2}{H_2}\} \)

Questions 14 of 50

Question:The IUPAC name of the complex \(\left[ {Pt{{\left( {N{H_3}} \right)}_2}C{l_2}} \right]\) is

Answers Choices:

Platinum (II) diammino dichloride

Diammino dichloro platinate (IV)

Bis (ammino) dichloro platinum (IV)

Dichloro diammine platinum (II)

Questions 15 of 50

Question:Correct formula of diammine silver (I) chloride is

Answers Choices:



\(\left[ {Ag{{(N{H_3})}_2}} \right]Cl\)

\(\left[ {Ag{{(N{H_2})}_2}} \right]Cl\)

Questions 16 of 50

Question:In \(\left[ {Ni{{\left( {N{H_3}} \right)}_4}} \right]S{O_4},\) the E.A.N. of \(Ni\) is

Answers Choices:





Questions 17 of 50

Question:IUPAC name of \([Co(ONO){(N{H_3})_5}C{l_2}]\) is

Answers Choices:

Pentaammine nitro cobalt (III) chloride

Pentaammine nitrito cobalt (III) chloride

Pentaammine nitroso cobalt (III) chloride

Pentaammine oxo-nitro cobalt (III) chloride

Questions 18 of 50

Question:The oxidation number of \(Pt\) in \({[Pt({C_2}{H_4})C{l_3}]^ - }\) is

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Questions 19 of 50

Question:The I.U.P.A.C. name of \({K_3}[Ir{({C_2}{O_4})_3}]\) is

Answers Choices:

Potassium tri oxalato iridium (III)

Potassium tri oxalato iridate (III)

Potassium tris (oxalato) iridium (III)

Potassium tris (oxalato) iridate (III)

Questions 20 of 50

Question:The charge on \({[Ag{(CN)_2}]^ - }\) complex is

Answers Choices:

\( - 1\)

\( + 1\)

\( + 2\)

\( + 3\)

Questions 21 of 50

Question:The IUPAC name of \(\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]C{l_3}\) is

Answers Choices:

Hexammine cobalt (III) chloride

Hexammine cobalt (II) chloride

Triammine cobalt (III) trichloride

None of these

Questions 22 of 50

Question:The chemical formula of diammine silver (I) chloride is

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Questions 23 of 50

Question:IUPAC name of \([Co{(N{H_3})_5}N{O_2}]C{l_2}\)

Answers Choices:

Pentamminenitrocobalt (III) chloride

Pentamminenitrosocobalt (III) chloride

Pentamminenitrocobalt (II) chloride

None of these

Questions 24 of 50

Question:The pair of the compounds in which both the metals are in the highest possible oxidation state is

Answers Choices:

\({[Fe{(CN)_6}]^{3 - }},{[Co{(CN)_6}]^{3 - }}\)

\(Cr{O_2}C{l_2},MnO_4^ - \)


\({[Co{(CN)_6}]^{3 - }},Mn{O_3}\)

Questions 25 of 50

Question:Which one of the following will not show geometrical isomerism

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Questions 26 of 50

Question:Paramagnetic co-ordination compounds contain ........ electrons

Answers Choices:


Both paired and unpaired



Questions 27 of 50

Question:Which of the following isomeric pairs shows ionization isomerism

Answers Choices:

\(\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]\,\left[ {Cr{{\left( {CN} \right)}_6}} \right]\) and \(\left[ {Cr{{(N{H_3})}_6}} \right]\,\left[ {Co{{(CN)}_6}} \right]\)

\(\left[ {Cr{{\left( {{H_2}O} \right)}_6}} \right]C{l_3}\) and \(\left[ {Cr{{\left( {{H_2}O} \right)}_5}Cl}


\(\left[ {Pt{{\left( {N{H_3}} \right)}_2}C{l_2}} \right]\) and \(\left[ {Pt{{(N{H_3})}_4}} \right]\,\left[ {PtC{l_4}} \right]\)

\(\left[ {Co{{(N{H_3})}_5}Br} \right]S{O_4}\) and \(\left[ {Co{{\left( {N{H_3}} \right)}_5}S{O_4}} \right]Br\)

Questions 28 of 50

Question:Which of the following is paramagnetic

Answers Choices:

\(\left[ {Ni{{\left( {CO} \right)}_4}} \right]\)\(\)

\({[Co{(N{H_3})_6}]^{3 + }}\)

\({\left[ {Ni{{\left( {CN} \right)}_4}} \right]^{2 - }}\)

\({\left[ {NiC{l_4}} \right]^{2 - }}\)

Questions 29 of 50

Question:The total number of possible isomers for the complex compound \(\left[ {C{u^{II}}{{(N{H_3})}_4}} \right]\,\left[ {P{t^{II}}C{l_4}} \right]\) are

Answers Choices:





Questions 30 of 50

Question:Which one of the following shows maximum paramagnetic character

Answers Choices:

\({\left[ {Cr{{\left( {{H_2}O} \right)}_6}} \right]^{3 + }}\)

\({\left[ {Fe{{(CN)}_6}} \right]^{4 - }}\)

\({\left[ {Fe{{(CN)}_6}} \right]^{3 - }}\)

\({\left[ {Cu{{({H_2}O)}_6}} \right]^{2 + }}\)

Questions 31 of 50

Question:Which of the following does not have optical isomer

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Questions 32 of 50

Question:Change in composition of co-ordination sphere yields which types of isomers

Answers Choices:




None of these

Questions 33 of 50

Question:Types of isomerism shown by

Answers Choices:

\([Cr{(N{H_3})_5}N{O_2}]C{l_2}\) is





Questions 34 of 50

Question:Which of the following will not give a precipitate with \(AgN{O_3}\)

Answers Choices:

\(\left[ {Co{{(N{H_3})}_3}C{l_3}} \right]\)

\(\left[ {Co{{\left( {N{H_3}} \right)}_4}C{l_2}} \right]Cl\)

\(\left[ {Co{{(N{H_3})}_5}Cl} \right]C{l_2}\)

\(\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]C{l_3}\)

Questions 35 of 50

Question:In coordination compound \([Co{(en)_2}C{l_2}]Cl\) which is false

Answers Choices:

Show geometrical Isomerism

Show optical Isomerism

Show ionic Isomerism

A octahedral complex

A cationic complex

Questions 36 of 50

Question:The correct structural formula of zeise's salt is

Answers Choices:

\({K^ + }{\left[ {PtC{l_3} - {\eta ^2} - ({C_2}{H_4})} \right]^ - }\)

\({K_2}\left[ {PtC{l_3} - {\eta ^2} - {C_2}{H_4}} \right]\)

\({K^ + }\left[ {PtC{l_2} - {\eta ^2} - ({C_2}{H_4})} \right]C{l^ - }\)

\({K^ + }{\left[ {PtC{l_3}({C_2}{H_4}} \right]^ - }\)

Questions 37 of 50

Question:The correct order of hybridisations of central atom in \(N{H_3},\,{[PtC{l_4}]^{2 - }},\,PC{l_5}\) and \(BC{l_3}\) is

Answers Choices:

\(ds{p^2},\,ds{p^3},\,s{p^2}\) and \(s{p^3}\)

\(s{p^3},\,s{p^3},\,s{p^3}d\) and \(s{p^2}\)

\(ds{p^2},\,s{p^2},\,s{p^3}\) and \(ds{p^3}\)

\(ds{p^2},\,s{p^3},\,s{p^2}\) and \(ds{p^3}\)

Questions 38 of 50

Question:One mole of the complex compound \(Co{(N{H_3})_5}C{l_3},\) gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with two moles of \(AgN{O_3}\) solution to yield two moles of \(AgCl\,(s)\). The structure of the complex is

Answers Choices:





Questions 39 of 50

Question:The shape of \({\left[ {Cu{{\left( {N{H_3}} \right)}_4}} \right]^{2 + }}\) is square planar, \(C{u^{2 + }}\) in this complex is

Answers Choices:

\(s{p^3}\) hybridized


\(s{p^3}d\) hybridized

\(s{p^3}{d^2}\) hybridised

Questions 40 of 50

Question:The geometry of \(Ni{\left( {CO} \right)_4}\) and \(Ni{\left( {PP{h_3}} \right)_2}C{l_2}\) are

Answers Choices:

Both square planar

Tetrahedral and square planar respectively

Both tetrahedral

Square planar and tetrahedral respectively

Questions 41 of 50

Question:Which complex has square planar structure

Answers Choices:


\({[NiC{l_4})^{2 - }}\)

\({[Ni{({H_2}O)_6}]^{2 + }}\)

\({[Cu{(N{H_3})_4}]^{2 + }}\)

Questions 42 of 50

Question:Which of the following shall form an octahedral complex

Answers Choices:

\({d^4}\)(low spin)

\({d^8}\)(high spin)

\({d^6}\)(low spin)

None of these

Questions 43 of 50

Question:Which one of the following is a strong field ligand

Answers Choices:

\(C{N^ - }\)

\(NO_2^ - \)



Questions 44 of 50

Question:The strongest ligand in the following is

Answers Choices:

\(C{N^ - }\)

\(B{r^ - }\)

\(H{O^ - }\)

\({F^ - }\)

Questions 45 of 50

Question:\(CuS{O_4}\) reacts with KCN solution and forms:

Answers Choices:





Questions 46 of 50

Question:A co-ordination complex compound of cobalt has the molecular formulae containing five ammonia molecules, one nitro group and two chlorine atoms for one cobalt atom. One mole of this compound produces three mole ions in an aqueous solution on reacting with excess of \(AgN{O_3},\) \(AgCl\) precipitate. The ionic formula for this complex would be:

Answers Choices:





Questions 47 of 50

Question:In any ferric salt, on adding potassium ferrocyanide, a prussian blue colour is obtained, which is

Answers Choices:


\(KFe\left[ {Fe{{\left( {CN} \right)}_6}} \right]\)


\(F{e_4}{\left[ {Fe{{(CN)}_6}} \right]_3}\)

Questions 48 of 50

Question:Which one is not an organometallic compound

Answers Choices:



\({\left( {C{H_3}} \right)_4}Sn\)


Questions 49 of 50

Question:The complex used as an anticancer agent is

Answers Choices:

trans \( - [Co{(N{H_3})_3}C{l_3}]\)

cis \( - [PtC{l_2}{(N{H_3})_2}]\)

cis\( - {K_2}[PtC{l_2}B{r_2}]\)


Questions 50 of 50

Question:The compound that is not olefinic organometallic is

Answers Choices:

\(K\left[ {{C_2}{H_4}PtC{l_3}} \right].3{H_2}O\)