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Chemistry M.C.Q [1M]

Co-ordination Compounds · Bihar Board (BSEB) STD 12 Science (BSEB - English Medium). 39 questions.

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M.C.Q [1M]

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39 questions · timed · auto-graded

MCQ 11 Mark
Which of the following has the highest molar electrical conductance in aqueous solution ?
  • ✓
    $[Pt(NH_{3})_{6}]Cl_{4}$
  • B
    $[Pt(NH_{3})_{5}Cl]Cl_{3}$
  • C
    $[Pt(NH_{3})_{4}Cl_{2}]Cl_{2}$
  • D
    $[Pt(NH_{3})_{3}Cl_{3}]Cl$
Answer
Correct option: A.
$[Pt(NH_{3})_{6}]Cl_{4}$
A
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MCQ 21 Mark
The IUPAC name of $K_{3}[Fe(CN)_{6}]$ is
  • A
    Potassium ferrocyanide
  • B
    Potassium ferricyanide
  • C
    Potassium hexacyanoferrate (II)
  • ✓
    Potassium hexacyanoferrate (III)
Answer
Correct option: D.
Potassium hexacyanoferrate (III)
D
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MCQ 41 Mark
The oxidation number of Cr in the complex $[Cr(H_{2}O)_{4}Cl_{2}]^{+}$ is:
  • A
    +1
  • ✓
    +3
  • C
    +5
  • D
    +6
Answer
Correct option: B.
+3
B
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MCQ 51 Mark
The correct formula of hexamine platinum (IV) chloride is:
  • ✓
    $[Pt(NH_{3})_{6}]Cl_{4}$
  • B
    $[Pt(NH_{3})_{6}]Cl_{2}$
  • C
    $[Pt(NH_{3})]_{2}Cl_{3}$
  • D
    $[Pt(NH_{3})_{6}]Cl$
Answer
Correct option: A.
$[Pt(NH_{3})_{6}]Cl_{4}$
A
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MCQ 71 Mark
In co-ordination compound $K_{4}[Ni(CN)_{4}]$, the oxidation state of nickel is:
  • ✓
    $0$
  • B
    1
  • C
    2
  • D
    $-1$
Answer
Correct option: A.
$0$
A
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MCQ 111 Mark
$K_{3}[Fe(CN)_{6}]$ is a:
  • A
    Double salt
  • ✓
    Complex compound
  • C
    Acidic salt
  • D
    Common salt
Answer
Correct option: B.
Complex compound
B
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MCQ 121 Mark
The compound having tetrahedral geometry is:
  • A
    $[NiCl_{4}]^{2-}$
  • B
    $[Ni(CN)_{4}]^{2-}$
  • C
    $[PdCl_{4}]^{2-}$
  • ✓
    (a) and (c) both
Answer
Correct option: D.
(a) and (c) both
D
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MCQ 131 Mark
Which complex has maximum paramagnetic moment value amongst the following:
  • A
    $[Cr(H_{2}O)_{6}]^{3+}$
  • ✓
    $Fe(H_{2}O)_{6}]Cl_{2}$
  • C
    $[Fe(CN)_{6}]^{4-}$
  • D
    $[Ni(CO)_{4}]$
Answer
Correct option: B.
$Fe(H_{2}O)_{6}]Cl_{2}$
B
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MCQ 141 Mark
IUPAC name of $H_{2} [Pt Cl_{6}]$ is:
  • ✓
    Hydrogen hexachloro platinate (IV)
  • B
    Hydrogen hexachloro platinate (II)
  • C
    Hydrogen hexa chlorido Pt (IV)
  • D
    Hydrogen hexa chlorido Pt (II)
Answer
Correct option: A.
Hydrogen hexachloro platinate (IV)
A
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MCQ 151 Mark
Mercuric chloride reacts with ammonia gas and forms white precipitate. The molecular formula of which precipitate is:
  • A
    $HgCl_{2}.2NH_{3}$
  • B
    Hg $(NH_{3})_{2}$ Cl2
  • C
    Hg $(NH_{2})Cl_{2}$
  • ✓
    Hg $(NH_{2})$ Cl
Answer
Correct option: D.
Hg $(NH_{2})$ Cl
D
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MCQ 161 Mark
Which of the following compounds has tetrahedral geometry?
  • A
    $[Ni(CN)_{4}]^{2-}$
  • B
    $[Pd(CN)_{4}]^{2-}$
  • C
    $[PdCl_{4}]^{2-}$
  • ✓
    $[NiCl_{4}]^{2-}$
Answer
Correct option: D.
$[NiCl_{4}]^{2-}$
D
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MCQ 171 Mark
Compound is $K_{4}[Fe(CN)_{6}]$:
  • A
    Double Compound
  • ✓
    Complex Compound
  • C
    General Symptosm
  • D
    Covalent Compound
Answer
Correct option: B.
Complex Compound
B
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MCQ 181 Mark
The pair of compound in which both the metals are in highest possible oxidation state:
  • A
    $[Fe(CN)_{6}]^{3-}, [Co(CN)_{6}]^{3-}$
  • ✓
    $CrO_{2}.Cl_{2}, MnO_{4}^{-}$
  • C
    $TiO_{3}, MnO_{2}$
  • D
    $[Co(CN)_{6}]^{3-}, MnO_{2}$
Answer
Correct option: B.
$CrO_{2}.Cl_{2}, MnO_{4}^{-}$
B
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MCQ 201 Mark
Which one of the following ligand forms a chelate?
  • ✓
    Acetate
  • B
    Oxalate
  • C
    Cyanide
  • D
    Ammonia
Answer
Correct option: A.
Acetate
A
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MCQ 211 Mark
Which of the following organometallic compound is $\sigma$ and $\pi$ bonded ?
  • A
    $\left[ Fe \left(\eta^5- C _5 H _5\right)_2\right]$
  • B
    $K \left[ PtCl _3\left(\eta^2- C _2 H _4\right)\right]$
  • ✓
    $\left[ Co ( CO )_5 NH _3\right]^{2+}$
  • D
    $Fe \left( CH _3\right)_3$
Answer
Correct option: C.
$\left[ Co ( CO )_5 NH _3\right]^{2+}$
C
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MCQ 221 Mark
Which of the following has square plannar structure?
  • A
    $[Ni(CO)_{4}]^{2-}$
  • B
    $[Ni(CO)_{4}]$
  • ✓
    $[Ni(CN)_{4}]^{2+}$
  • D
    $[NiCl_{4}]^{2-}$
Answer
Correct option: C.
$[Ni(CN)_{4}]^{2+}$
C
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MCQ 231 Mark
The complex used as anticancer agent:
  • A
    mer-$ [Co(NH_{3})_{3}Cl_{3}]$
  • ✓
    cis-$[PtCl_{2}(NH_{3})_{2}]$
  • C
    cis-$K_{2}[PtCl_{2}Br_{2}]$
  • D
    $Na_{2}CoCl_{4}$
Answer
Correct option: B.
cis-$[PtCl_{2}(NH_{3})_{2}]$
B
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MCQ 241 Mark
How many ion given by solution of complex compound $[Co(NH_{3})_{6}]Cl_{2}$:
  • A
    6
  • B
    4
  • ✓
    3
  • D
    2
Answer
Correct option: C.
3
C
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MCQ 251 Mark
$[Co(NH_{3})_{4}(NO_{2})_{2}]Cl$ presents:
  • A
    Linkage isomerism, ionisation and optical isomerism
  • ✓
    Linkage, ionisation and geometrical isomerism
  • C
    Ionisation, geometrical and optical isomerism
  • D
    Linkage, geometrical and optical isomerism
Answer
Correct option: B.
Linkage, ionisation and geometrical isomerism
B
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MCQ 271 Mark
No. of sterocisomer in compound $\left[ Pt \left( NH _3\right)_6\right] Cl _2:$
  • A
    1
  • ✓
    2
  • C
    4
  • D
    3
Answer
Correct option: B.
2
B
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MCQ 281 Mark
Ammonia with Cu ion forms complex ion $[Cu(NH_{3})_{4}]^{2+}$ in basic solution but not in acidic medium?
  • ✓
    In acidic solution protons with ammonia molecules forms $NH_{4}^{+}$ and $NH_{3}$ molecule is unavailable
  • B
    In basic solution insoluble $Cu(OH)_{2}$ is precipitated which dissolved in presence of base
  • C
    Copper hydroxide is amphoteric substance
  • D
    In acidic solution, hydrated copper is protected
Answer
Correct option: A.
In acidic solution protons with ammonia molecules forms $NH_{4}^{+}$ and $NH_{3}$ molecule is unavailable
A
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MCQ 291 Mark
Which of the following is paramagnetic?
  • A
    $[Ni(CO)_{4}]^{2+}$
  • B
    $[Ni(CO)_{4}]^{3+}$
  • C
    $[Ni(CO)_{4}]^{2-}$
  • ✓
    $[NiCl_{4}]^{2-}$
Answer
Correct option: D.
$[NiCl_{4}]^{2-}$
D
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MCQ 301 Mark
According to IUPAC, the name of sodium nitropeuside is:
  • A
    Sodium nitroferrocyanide
  • B
    Sodium nitroferricyanide
  • C
    Sodium pentacynonitrosyl Ferrate-III
  • ✓
    Sodium pentascyanonitrosyl ferrate II
Answer
Correct option: D.
Sodium pentascyanonitrosyl ferrate II
D
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MCQ 321 Mark
Which of the following is anionic ligand?
  • A
    $NH_{3}$
  • B
    CO
  • ✓
    $F ^{-}$
  • D
    ethyl diamaine
Answer
Correct option: C.
$F ^{-}$
C
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MCQ 331 Mark
In silver plating of copper $K[Ag(CN)_{2}]$ is used in place of $AgNO_{3}$ This is because:
  • A
    Thin layer of Ag is coated on Cu
  • ✓
    Required high voltage
  • C
    $Ag ^{+}$ions are completely released from the solution
  • D
    Cu, does not displace Ag ion from $[Ag(CN)_{2}]$ so $Ag^{+}$ are less produced
Answer
Correct option: B.
Required high voltage
B
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MCQ 341 Mark
Which type of isomerism is represented by Octahedral complex $[Co(NH_{3})_{4}Br_{2}]Cl$?
  • ✓
    Geometrical and ionisation
  • B
    Geometrical and optical
  • C
    Optical and ionisation
  • D
    Only geometrical
Answer
Correct option: A.
Geometrical and ionisation
A
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MCQ 351 Mark
Which of the following is an ambidentate ligand?
  • A
    $H_{2}O$
  • B
    $NH_{3}$
  • ✓
    $NO _2^{-}$
  • D
    $Br ^{-}$
Answer
Correct option: C.
$NO _2^{-}$
C
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MCQ 371 Mark
Group of atoms works like ligand, when:
  • A
    Molecule is small
  • ✓
    Unshared electron pair is present
  • C
    It is a negatively charged ion
  • D
    It is a positively charged ion
Answer
Correct option: B.
Unshared electron pair is present
B
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MCQ 381 Mark
The number of possible isomers for the complex $[Co(C_{2}O_{4})_{2}(NH_{3})_{2}]$:
  • A
    1
  • ✓
    2
  • C
    3
  • D
    4
Answer
Correct option: B.
2
B
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MCQ 391 Mark
The IUPAC name of $Na_{3}[Co(NO_{2})_{6}]$ is:
  • A
    Sodium cobalt nitrate
  • ✓
    Sodium hexanitrito cobaltate (III)
  • C
    Sodium hexanitrito cobalt (III)
  • D
    Sodium hexanitrito cobaltate (II)
Answer
Correct option: B.
Sodium hexanitrito cobaltate (III)
B
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