The correct IUPAC name for the complex [Pt(NH 3 ) 2 Cl(NH 2 CH 3 )]Cl is-

Diamminechlorido(methylamine)platinum(II)chloride.

Diamminechloro(aminomethyl)platinum(II)chlorido.

Chlorodiammine(methylamine)platinate(II)chloride.

Chlorido(methylamine)diammineplatinum(II)chloride.

The correct IUPAC name of the complex K[Cr(H 2 O) 2 (C 2 O 4 ) 2 ].3H 2 O is-

Potassiumdiaquadioxalatochromate(III)trihydrate

diaquadioxalatopotassiumchromate (III) trihydrate

Potassiumdihydridodioxalatochromate(IV)trihydrate

Potassiumdiaquadioxalatochromate(II)trihydrate

Chemistry - Coordination Compounds - Quiz-10

Irving-Williams order for increasing stability of complexes formed by Co, Ni, Cu and Fe in +2 oxidation state is

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Co < Ni < Cu < Fe
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Fe < Cu < Ni < Co
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Fe < Co < Ni < Cu
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Ni < Co < Cu < Fe

Two complexes, ${PtCl}_{4} \cdot 2 {NH}_{3}$ and ${PtCl}_{4} \cdot 2 KCl$ , do not give a precipitate of AgCl when treated with ${AgNO}_{3}$ . They give zero and three moles of ions, respectively, in solutions for one mole of the complex. The structural formulae of the two complexes are

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$[{PtCl}_{2} {({NH}_{3})}_{2}] {Cl}_{2}$ and $K_{2} [{PtCl}_{6}]$
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$[{PtCl}_{4} {({NH}_{3})}_{2}]$ and $K_{2} [{PtCl}_{2} {({NH}_{3})}_{2}]$
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$[{PtCl}_{4} {({NH}_{3})}_{2}]$ and $K_{2} [{PtCl}_{6}]$
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$[{PtCl}_{4}] \cdot 2 {NH}_{3}$ and $[{PtCl}_{4}] \cdot 2 KCl$

The correct IUPAC name of ${[Pt {(en)}_{2} Cl (ONO)]}^{2 +}$ is :

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Chlorodiethylenediaminenitritoplatinum(IV) ion
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Bis(ethylenediamine)chloronitro-o-platinum(IV) ion
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Chloridobis (ethylenediamine) nitritoplatinum(IV) ion
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Chlorodiethylenediaminenitro-o-platinum(IV) ion

Excess of KCN is treated with ${CuSO}_{4}$ . The final products are-

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$K_{3} [Cu {(CN)}_{4}]$ and ${(CN)}_{2}$
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$K_{2} [Cu {(CN)}_{4}]$ and ${Cu}_{2}$ ${(CN)}_{2}$
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$K_{4} [Cu {(CN)}_{6}]$ and ${(CN)}_{2}$
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$K [Cu {(CN)}_{4}]$ and ${Cu}_{2}$ ${(CN)}_{2}$

The largest value of the crystal field splitting energy, among the following, is

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${[Fe {(H_{2} O)}_{6}]}^{+ 3}$
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${[Ru {(CN)}_{6}]}^{3 -}$
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${[Fe {(H_{2} O)}_{6}]}^{+ 2}$
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${[Fe {({NH}_{3})}_{6}]}^{3 +}$

The species that has the highest magnetic moment is

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$K_{4} [Fe {(CN)}_{6}]$
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$[Fe {(H_{2} O)}_{6}] {SO}_{4}$
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$K_{3} [Fe {(CN)}_{6}]$
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$[Co {({NH}_{3})}_{6}] {SO}_{4}$

A paramagnetic compound, among the following, with two unpaired electrons is

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$K_{3} [Fe {(CN)}_{6}]$
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$K_{2} [{NiCl}_{4}]$
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$K_{2} [{CoCl}_{4}]$
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${Na}_{2} [Ni {(CN)}_{4}]$

The species that can act as an oxidizing agent is :

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$[Cr {(CO)}_{6}]$
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$[Ni {(CO)}_{4}]$
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$[Mn {(CO)}_{6}]^{+}$
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$[V {(CO)}_{6}]$

The complex, among the following, that can exhibit isomerism is

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${[Ag {({NH}_{3})}_{2}]}^{+}$
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${[Co {({NH}_{3})}_{5} {NO}_{2}]}^{2 +}$
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$[Pt (en) {Cl}_{2}]$
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${[Co {({NH}_{3})}_{5} Cl]}^{2 +}$

The type of isomerism exhibited K₃[Co(NO₂)₆] and K₃[Co(ONO)₆] :-

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Linkage
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Co-ordination
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Ionization
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Geometrical

Correct order of increasing field strength of ligands, among the following, is

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${SCN}^{-} < F^{-} < {CN}^{-} < C_{2} O_{4}^{2 -}$
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$F^{-} < {SCN}^{-} < C_{2} O_{4}^{2 -} < {CN}^{-}$
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${CN}^{-} < C_{2} O_{4}^{2 -} < {SCN}^{-} < F^{-}$
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${SCN}^{-} < F^{-} < C_{2} O_{4}^{2 -} < {CN}^{-}$

Urea reacts with water to form A which will decompose to form B. B when passed through ${Cu}^{2 +}$ (aq), deep blue color solution C is formed. What is the formula of C from the following?

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${[Cu {({NH}_{3})}_{4}]}^{2 +}$
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$Cu {(OH)}_{2}$
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${CuCO}_{3} . Cu {(OH)}_{2}$
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${CuSO}_{4}$

A complex has a molecular formula ${MSO}_{4} Cl . 6 H_{2} O$ . Its aqueous solution gives white precipitate with barium chloride solution and no precipitate is obtained when it is treated with silver nitrate solution. If the secondary valence of the metal is six, the correct representation of the complex is

$1 . [M {(H_{2} O)}_{4} Cl] {SO}_{4} . 2 H_{2} O 2 . [M {(H_{2} O)}_{6}] {SO}_{4} 3 . [M {(H_{2} O)}_{5} Cl] {SO}_{4} . H_{2} O 4 . [M {(H_{2} O)}_{3} CL] {SO}_{4} . 3 H_{2} O$

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1
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2
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3
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4

Formula of tris(ethane-1,2-diamine)iron(II)phosphate is :

$1 . [Fe ({CH}_{3} - CH {({NH}_{2})}_{2})_{3}] {({PO}_{4})}_{3} 2 . [Fe {(H_{2} N - {CH}_{2} - {CH}_{2} - {NH}_{2})}_{3}] ({PO}_{4}) 3 . [Fe {(H_{2} N - {CH}_{2} - {CH}_{2} - {NH}_{2})}_{3}] {({PO}_{4})}_{2} 4 . {[Fe {(H_{2} N - {CH}_{2} - {CH}_{2} - {NH}_{2})}_{3}]}_{3} {({PO}_{4})}_{2}$

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3
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4

When 0.1 mol CoCl₃(NH₃)₅is treated with excess of AgNO₃, 0.2 mol of AgCl are obtained. The conductivity of the solution will correspond to

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1:3 electrolyte
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1:2 electrolyte
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1:1 electrolyte
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3:1 electrolyte

The most stable complex species is :

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$[Fe {(CO)}_{5}]$
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${[Fe {(CN)}_{6}]}^{3 -}$
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${[Fe {(C_{2} O_{4})}_{3}]}^{3 -}$
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${[Fe {(H_{2} O)}_{6}]}^{+ 3}$

Among the following species, the one that is not expected to be a ligand is :

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NO
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${NH}_{4}^{+}$
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${NH}_{2} {CH}_{2} {CH}_{2} {NH}_{2}$
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CO

The correct statement, among the following, regarding ethane-1,2-diamine as a ligand is

(a) It is a neutral ligand

(b) It is a bidentate ligand

(d) It is a unidentate ligand

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a,b
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b,c
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a,b,c
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a,c,d

The correct IUPAC name for the complex [Pt(NH₃)₂Cl(NH₂CH₃)]Cl is-

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Diamminechlorido(methylamine)platinum(II)chloride.
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Diamminechloro(aminomethyl)platinum(II)chlorido.
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Chlorodiammine(methylamine)platinate(II)chloride.
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Chlorido(methylamine)diammineplatinum(II)chloride.

$[Cr {(H_{2} O)}_{6}] {Cl}_{3} and [Cr {(H_{2} O)}_{5} {Cl}_{2}] Cl . H_{2} O$ are -

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Ionisation isomers.
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Geometrical isomers.
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Solvate isomers.
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Optical isomers.

The number of geometrical isomers possible for the complex $[Cr {(C_{2} O_{4})}_{3}]^{3 -}$ are:

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1
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3
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0
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2

Low spin complex of $d^{6}$ -cation in an octahedral field will have the following energy :

( $∆_{0}$ = Crystal field splitting energy in an octahedral field, P = Electron pairing energy)

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$\frac{- 12}{5} ∆_{0} + 3 P$
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$\frac{- 2}{5} ∆_{0} + 2 P$
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$\frac{- 2}{5} ∆_{0} + P$
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$\frac{- 12}{5} ∆_{0} + P$

The complex that is not expected to exhibit isomerism is

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[Pt(NH₃)₂Cl₂]
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[Ni(NH₃)₂Cl₂]
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[Ni(en)₃]²⁺
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[Ni(NH₃)₄(H₂O)₂]²⁺

The carbonyl compound having the strongest C–O bond is

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$Fe {(CO)}_{5}$
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$Mn {(CO)}_{6}^{+}$
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$Cr {(CO)}_{6}$
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$V {(CO)}_{6}^{-}$

Among the given complex, the complex having highest paramagnetic behaviour is :

(At. No. Ti = 22, Cr = 24, Co = 27, Zn = 30)

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${[Zn {({NH}_{3})}_{6}]}^{2 +}$
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${[Ti {({NH}_{3})}_{6}]}^{3 +}$
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${[Cr {({NH}_{3})}_{6}]}^{3 +}$
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${[Co {({NH}_{3})}_{6}]}^{3 +}$

Aqueous copper sulfate solution gives a green precipitate of A with aqueous potassium fluoride. The correct molecular formula of A is

$1. {[{CuF}_{6}]}^{3 -} 2 . {[{CuF}_{4}]}^{2 -} 3 . {[{CuF}_{2}]}^{-} 4 . {[{CuF}_{5}]}^{4 -}$

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The coordination entity formed when an excess of aqueous KCN is added to an aqueous solution of copper sulphate is
$1 . K_{2} [Cu {(CN)}_{6}] 2 . K_{3} [Cu {(CN)}_{4}] 3 . K_{2} [Cu {(CN)}_{4}] 4 . K_{2} [Cu {(CN)}_{3}]$

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4

The hybridisation of [FeF₆]^3- is

^{$1 . {sp}^{3} d^{2} 2 . d^{2} {sp}^{3} 3 . {dsp}^{3} 4 . {sp}^{4}$}

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1
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2
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3
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4

The oxidation number and coordination number of Co in the complex K₃[Co(C₂O₄)₃] respectively are:

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+3, 6
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+2, 6
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6, +3
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+2, 4

The correct IUPAC name of the complex K[Cr(H₂O)₂(C₂O₄)₂].3H₂O is-

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Potassiumdiaquadioxalatochromate(III)trihydrate
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diaquadioxalatopotassiumchromate (III) trihydrate
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Potassiumdihydridodioxalatochromate(IV)trihydrate
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Potassiumdiaquadioxalatochromate(II)trihydrate

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Practice Chemistry Quiz Questions and Answers

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Practice Chemistry Quiz Questions and Answers

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