JEE Main & Advanced Chemistry Coordination Chemistry Question Bank

done Basic Terms Total Questions - 62

• question_answer1)
  In \[{{K}_{4}}Fe{{\left( CN \right)}_{6}}\]
  A)
  (CN) are linked with primary valency done clear
  B)
  (CN) are linked with secondary valency done clear
  C)
  K are linked with secondary valency done clear
  D)
  K are linked with non-ionic valency done clear
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• question_answer2)
    The co-ordination number of copper in cuprammonium sulphate is [KCET 1991, 92]
  A)
  2 done clear
  B)
  6 done clear
  C)
  4 done clear
  D)
  - 4 done clear
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• question_answer3)
  Which of the following acts as a bidentate ligand in complex formation
  A)
  Acetate done clear
  B)
  Oxalate done clear
  C)
  Thiocyanate done clear
  D)
  EDTA done clear
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• question_answer4)
  The co-ordination number of cobalt in the complex \[[Co{{(en)}_{2}}B{{r}_{2}}]C{{l}_{2}}\] is
  A)
  2 done clear
  B)
  6 done clear
  C)
  5 done clear
  D)
  4 done clear
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• question_answer5)
  Which of the following ligands forms a chelate [MP PET/PMT 1998]
  A)
  Acetate done clear
  B)
  Oxalate done clear
  C)
  Cyanide done clear
  D)
  Ammonia done clear
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• question_answer6)
  According to Werner's theory [MP PMT 2000, 02]
  A)
  Primary valency can be ionized done clear
  B)
  Secondary valency can be ionized done clear
  C)
  Primary and secondary valencies both cannot be ionized done clear
  D)
  Only primary valency cannot be ionized done clear
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• question_answer7)
  Which of the following is not true for ligand-metal complex [MP PET 1993]
  A)
  Larger the ligand, the more stable is the metal-ligand bond done clear
  B)
  Highly charged ligand forms strong bond done clear
  C)
  Larger the permanent dipole moment of ligand, the more stable is the bond done clear
  D)
  Greater the ionization potential of central metal, the stronger is the bond done clear
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• question_answer8)
  What is the co-ordination number of the metal in \[{{\left[ Co{{(en)}_{2}}C{{l}_{2}} \right]}^{+}}\]
  A)
  4 done clear
  B)
  5 done clear
  C)
  6 done clear
  D)
  3 done clear
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• question_answer9)
  Bidentate ligand is
  A)
  \[C{{N}^{-}}\] done clear
  B)
  Ethylene diammine (en) done clear
  C)
  \[SC{{N}^{-}}\] done clear
  D)
  EDTA done clear
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• question_answer10)
  The coordination number of \[Pt\] in \[{{\left[ Pt{{\left( N{{H}_{3}} \right)}_{4}}C{{l}_{2}} \right]}^{++}}\] ion is [MP PET 1995]
  A)
  2 done clear
  B)
  4 done clear
  C)
  6 done clear
  D)
  8 done clear
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• question_answer11)
  Which is the example of hexadentate ligand
  A)
  2, 2?dipyridyl done clear
  B)
  Dimethyl glyoxime done clear
  C)
  Aminodiacetate ion done clear
  D)
  Ethylene diammine tetra acetate ion [EDTA] done clear
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• question_answer12)
  The coordination number of a metal in coordination compounds is [MP PET 1996; KCET (Engg./Med.) 1999]
  A)
  Same as primary valency done clear
  B)
  Sum of primary and secondary valencies done clear
  C)
  Same as secondary valency done clear
  D)
  None of these done clear
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• question_answer13)
  Ligand in a complex salt are [KCET 1992]
  A)
  Anions linked by coordinate bonds to a central metal atom or ion done clear
  B)
  Cations linked by coordinate bonds to a central metal atom or ion done clear
  C)
  Molecules linked by coordinate bonds to a central metal atom or ion done clear
  D)
  Ions or molecules linked by coordinate bonds to a central metal atom or ion done clear
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• question_answer14)
  A group of atoms can function as a ligand only when [KCET 1989; DCE 1999; MP PMT 2000]
  A)
  It is a small molecule done clear
  B)
  It has an unshared electron pair done clear
  C)
  It is a negatively charged ion done clear
  D)
  It is a positively charged ion done clear
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• question_answer15)
  Which of the following complexes show six coordination number [RPET 2000]
  A)
  \[{{[Zn{{(CN)}_{4}}]}^{2-}}\] done clear
  B)
  \[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{3+}}\] done clear
  C)
  \[{{[Cu{{(CN)}_{4}}]}^{2-}}\] done clear
  D)
  \[{{[Ni{{(N{{H}_{3}})}_{4}}]}^{2+}}\] done clear
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• question_answer16)
  The number of ions formed when cuprammonium sulphate is dissolved in water is [KCET 1993]
  A)
  1 done clear
  B)
  2 done clear
  C)
  4 done clear
  D)
  Zero done clear
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• question_answer17)
  The coordination number of \[Cu\] in complex \[{{\left[ Cu{{\left( {{H}_{2}}O \right)}_{4}} \right]}^{++}}\] is [MP PET 1995]
  A)
  4 done clear
  B)
  3 done clear
  C)
  2 done clear
  D)
  1 done clear
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• question_answer18)
  The primary valence of the metal ion in the co-ordination compound \[{{K}_{2}}\left[ Ni{{\left( CN \right)}_{4}} \right]\] is
  A)
  Four done clear
  B)
  Zero done clear
  C)
  Two done clear
  D)
  Six done clear
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• question_answer19)
  The metal which does not form a polynuclear carbonyl is
  A)
  \[Mn\] done clear
  B)
  \[Co\] done clear
  C)
  \[Cr\] done clear
  D)
  \[Fe\] done clear
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• question_answer20)
  Which one of the following forms with an excess of \[C{{N}^{-}}\] (Cyanide) a complex having coordination number two [AIIMS 2004]
  A)
  \[C{{u}^{+}}\] done clear
  B)
  \[A{{g}^{+}}\] done clear
  C)
  \[N{{i}^{2+}}\] done clear
  D)
  \[F{{e}^{2+}}\] done clear
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• question_answer21)
  According to Lewis the ligands are [MP PMT 2002]
  A)
  Acidic in nature done clear
  B)
  Basic in nature done clear
  C)
  Neither acidic nor basic done clear
  D)
  Some are acidic and others are basic done clear
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• question_answer22)
  The coordination number of a central metal atom in a complex is determined by [AIEEE 2004]
  A)
  The number of ligands around a metal ion bonded by sigma and pi-bonds both. done clear
  B)
  The number around a metal ion bonded by pi-bonds done clear
  C)
  The number of ligands around a metal ion bonded by sigma bonds done clear
  D)
  The number of only anionic ligands bonded to the metal ion done clear
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• question_answer23)
  In the extraction of which of the following, complex ion forms [MP PET 1989]
  A)
  \[Cu\] done clear
  B)
  \[Ag\] done clear
  C)
  \[Fe\] done clear
  D)
  \[Na\] done clear
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• question_answer24)
  Potassium ferrocyanide is a [AFMC 2000]
  A)
  Normal salt done clear
  B)
  Mixed salt done clear
  C)
  Double salt done clear
  D)
  Complex salt done clear
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• question_answer25)
  A monodentate ligand has
  A)
  One co-ordinate site done clear
  B)
  Two co-ordinate sites done clear
  C)
  Any number of co-ordinate sites done clear
  D)
  No capacity to co-ordinate done clear
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• question_answer26)
  EDTA has coordination number [AFMC 2004]
  A)
  3 done clear
  B)
  4 done clear
  C)
  5 done clear
  D)
  6 done clear
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• question_answer27)
  Among the properties A reducing B oxidizing C complexing, the set of properties shown by \[C{{N}^{-}}\] ion towards metal species is [AIEEE 2004]
  A)
  c, a done clear
  B)
  b, c done clear
  C)
  a, b done clear
  D)
  a, b, c done clear
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• question_answer28)
  That ion or molecule which forms a complex compound with transitional metal ion is called
  A)
  Recipient done clear
  B)
  Ligand done clear
  C)
  Coordinate ion done clear
  D)
  No special name done clear
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• question_answer29)
  Coordination number of Zn in ZnS (zinc blende) is [Orissa JEE 2004]
  A)
  6 done clear
  B)
  4 done clear
  C)
  8 done clear
  D)
  12 done clear
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• question_answer30)
  Wilkinson's catalyst used as a homogeneous catalyst in the hydrogenation of alkenes contains
  A)
  Iron done clear
  B)
  Aluminium done clear
  C)
  Rhodium done clear
  D)
  Cobalt done clear
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• question_answer31)
  Given the molecular formula of the hexa coordinated complexes A \[CoC{{l}_{3}}.6N{{H}_{3}}\] B \[CoC{{l}_{3}}.5N{{H}_{3}}\] C \[CoC{{l}_{3}}.4N{{H}_{3}}\]. If the number of co-ordinated \[N{{H}_{3}}\] molecules in A, B and C respectively are 6, 5 and 4, the primary valency in A, B and C are: [DCE 2003]
  A)
  6, 5, 4 done clear
  B)
  3, 2, 1 done clear
  C)
  0, 1, 2 done clear
  D)
  3, 3, 3 done clear
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• question_answer32)
  Generally, a group of atoms can function as a ligand if [MP PET 1996]
  A)
  They are positively charged ions done clear
  B)
  They are free radicals done clear
  C)
  They are either neutral molecules or negatively charged ions done clear
  D)
  None of these done clear
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• question_answer33)
  The ligand in potassium ferricyanide is
  A)
  \[{{K}^{+}}\] done clear
  B)
  \[C{{N}^{-}}\] done clear
  C)
  \[F{{e}^{3+}}\] done clear
  D)
  \[{{\left( CN \right)}_{6}}\] done clear
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• question_answer34)
  Co-ordination number of aluminum is [MHCET 2004]
  A)
  8 done clear
  B)
  6 done clear
  C)
  12 done clear
  D)
  4 done clear
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• question_answer35)
  In \[{{K}_{4}}Fe{{\left( CN \right)}_{6}},\] \[Fe\] is in the form of
  A)
  An atom done clear
  B)
  An ion done clear
  C)
  Cationic complex done clear
  D)
  Anionic complex done clear
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• question_answer36)
  Which of the following ligands is expected to bidentate [CBSE PMT 1994]
  A)
  \[Br\] done clear
  B)
  \[{{C}_{2}}O_{4}^{2-}\] done clear
  C)
  \[C{{H}_{3}}N{{H}_{2}}\] done clear
  D)
  \[C{{H}_{3}}C\equiv N\]    done clear
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• question_answer37)
  In the compound lithium tetrahydroaluminate, the ligand is [AIIMS 1997]
  A)
  \[{{H}^{+}}\] done clear
  B)
  \[{{H}^{-}}\] done clear
  C)
  H done clear
  D)
  None of these done clear
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• question_answer38)
  Which of the following is the odd one out [MP PET 1996]
  A)
  Potassium ferrocyanide done clear
  B)
  Ferrous ammonium sulphate done clear
  C)
  Potassium ferricyanide done clear
  D)
  Tetrammine copper (II) sulphate done clear
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• question_answer39)
  The basic ligand is
  A)
  \[N{{H}_{3}}\] done clear
  B)
  \[C{{N}^{-}}\] done clear
  C)
  \[{{F}^{-}}\] done clear
  D)
  All done clear
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• question_answer40)
  The negative ligand is
  A)
  Aqua done clear
  B)
  Sulphato done clear
  C)
  Carboxyl done clear
  D)
  Nitro sodium done clear
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• question_answer41)
  Which has yellow colour
  A)
  Potassium cobaltinitrite done clear
  B)
  Potassium hexanitro cobaltate (III) done clear
  C)
  Fischer's salt done clear
  D)
  All the above done clear
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• question_answer42)
  Ligands, in complex compounds [MP PMT 2003]
  A)
  Accept \[{{e}^{-}}\]-pair done clear
  B)
  Donate \[{{e}^{-}}\]-pair done clear
  C)
  Neither accept \[{{e}^{-}}\]-pair nor donate done clear
  D)
  All of these happen done clear
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• question_answer43)
  Which of the following is a common donor atom in ligands [BHU 2001]
  A)
  Arsenic done clear
  B)
  Nitrogen done clear
  C)
  Oxygen done clear
  D)
  Both B and C done clear
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• question_answer44)
  Trunbull's blue is a compound [KCET 1993]
  A)
  Ferricyanide done clear
  B)
  Ferrous ferricyanide done clear
  C)
  Ferrous cyanide done clear
  D)
  Ferriferrocyanide done clear
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• question_answer45)
  Tollen's reagent is [KCET 1990]
  A)
  \[{{\left[ Ag{{\left( N{{H}_{3}} \right)}_{2}} \right]}^{+}}\] done clear
  B)
  \[A{{g}_{2}}O\] done clear
  C)
  \[{{\left[ Cu{{\left( OH \right)}_{4}} \right]}^{2-}}\] done clear
  D)
  \[C{{u}_{2}}O\] done clear
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• question_answer46)
  Finely divided iron combines with CO to give [UPSEAT 2002]
  A)
  \[Fe{{(CO)}_{5}}\] done clear
  B)
  \[F{{e}_{2}}{{(CO)}_{9}}\] done clear
  C)
  \[F{{e}_{2}}{{(CO)}_{12}}\] done clear
  D)
  \[Fe{{(CO)}_{6}}\] done clear
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• question_answer47)
  In a complex, the highest possible coordination number is
  A)
  6 done clear
  B)
  12 done clear
  C)
  4 done clear
  D)
  8 done clear
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• question_answer48)
  The number of neutral molecules or negative groups attached to the central metal atom in a complex ion is called
  A)
  Atomic number done clear
  B)
  Effective atomic number done clear
  C)
  Coordination number done clear
  D)
  Primary valency done clear
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• question_answer49)
  EDTA combines with cations to form
  A)
  Ion-exchange resins done clear
  B)
  Chelates done clear
  C)
  Clathrates done clear
  D)
  Polymers done clear
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• question_answer50)
  An example of a double salt is [MP PET 2001]
  A)
  Bleaching powder done clear
  B)
  Hypo done clear
  C)
  \[{{K}_{4}}[Fe{{(CN)}_{6}}]\] done clear
  D)
  Potash alum done clear
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• question_answer51)
  In complex compounds, metal ligand bond is
  A)
  Coordinate bond done clear
  B)
  Hydrogen bond done clear
  C)
  Ionic bond done clear
  D)
  Covalent bond done clear
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• question_answer52)
  Ammonia forms the complex ion \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\] with copper ions in alkaline solutions but not in acidic solution. What is the reason for it [AIEEE 2003]
  A)
  In acidic solutions hydration protects copper ions done clear
  B)
  In acidic solutions protons coordinate with ammonia molecules forming \[NH_{4}^{+}\] ions and \[N{{H}_{3}}\]molecules are not available done clear
  C)
  In alkaline solutions insoluble \[Cu{{(OH)}_{2}}\] is precipitated which is soluble in excess of any alkali done clear
  D)
  Copper hydroxide is an amphoteric substance done clear
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• question_answer53)
  Zeigler?Natta catalyst is used for which type of reaction
  A)
  Hydrogenation done clear
  B)
  Polymerization done clear
  C)
  Oxidation done clear
  D)
  Reduction done clear
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• question_answer54)
  Which of the following is not considered as an organometallic compound. [AIIMS 2004]
  A)
  Cis-platia done clear
  B)
  Ferrocene done clear
  C)
  Zeise's salt done clear
  D)
  Gringard reagent done clear
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• question_answer55)
  Which one is organometallic compound [MP PMT 2004]
  A)
  Lithium methoxide done clear
  B)
  Lithium dimethyl amide done clear
  C)
  Lithium acetate done clear
  D)
  Methyl lithium done clear
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• question_answer56)
  An aqueous solution of potash alum gives [UPSEAT 2004]
  A)
  Two types of ions done clear
  B)
  Only one type of ion done clear
  C)
  Four types of ions done clear
  D)
  Three types of ions done clear
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• question_answer57)
  Carnallite in solution in \[{{H}_{2}}O\], shows the properties of [DCE 2003]
  A)
  \[{{K}^{+}},M{{g}^{2+}},C{{l}^{-}}\] done clear
  B)
  \[{{K}^{+}},C{{l}^{-}},SO_{4}^{2-},B{{r}^{-}}\] done clear
  C)
  \[{{K}^{+}},M{{g}^{2+}},CO_{3}^{2-}\] done clear
  D)
  \[{{K}^{+}},M{{g}^{2+}},C{{l}^{-}},B{{r}^{-}}\] done clear
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• question_answer58)
  What is the co-ordination number of cobalt in \[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}\] [MP PET 1994]
  A)
  3 done clear
  B)
  4 done clear
  C)
  5 done clear
  D)
  6 done clear
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• question_answer59)
  The formula of alum is [Pb. CET 2002]
  A)
  \[{{K}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O\] done clear
  B)
  \[{{K}_{4}}[Fe{{(CN)}_{6}}]\] done clear
  C)
  \[{{K}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.6{{H}_{2}}O\] done clear
  D)
  \[N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O\] done clear
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• question_answer60)
  Number of ions present in \[{{K}_{4}}[Fe{{(CN)}_{6}}]\] [Pb. CET 2000]
  A)
  2 done clear
  B)
  10 done clear
  C)
  3 done clear
  D)
  5 done clear
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• question_answer61)
  \[C{{H}_{3}}MgI\] is an organometallic compound due to [DCE 2002]
  A)
  \[Mg-I\text{ bond}\] done clear
  B)
  \[C-I\text{ bond}\] done clear
  C)
  \[C-Mg\text{ bond}\] done clear
  D)
  \[C-H\text{ bond}\] done clear
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• question_answer62)
  What is the EAN of nickel in \[Ni{{(CO)}_{4}}\] [BVP 2003]
  A)
  34 done clear
  B)
  35 done clear
  C)
  32 done clear
  D)
  36 done clear
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