JEE Main & Advanced Chemistry Coordination Chemistry Question Bank

done Critical Thinking Coordination Total Questions - 22

• question_answer1)
  The coordination number and oxidation state of \[Cr\] in \[{{K}_{3}}\left[ Cr{{\left( {{C}_{2}}{{O}_{4}} \right)}_{3}} \right]\] are, respectively [CBSE PMT 1995]
  A)
  4 and +2 done clear
  B)
  6 and +3 done clear
  C)
  3 and +3 done clear
  D)
  3 and 0 done clear
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• question_answer2)
  The complex compounds which result from the coordination of carbon monoxide are known as [BHU 1999]
  A)
  Electronic done clear
  B)
  Carbonyls done clear
  C)
  Carbonates done clear
  D)
  Carbon permono done clear
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• question_answer3)
  Mixture \[X=0.02\,mol\] of \[[Co{{(N{{H}_{3}})}_{5}}S{{O}_{4}}]\,Br\] and 0.02 mol of \[[Co{{(N{{H}_{3}})}_{5}}Br]S{{O}_{4}}\] was prepared in 2 litre of solution 1 litre of mixture X + excess \[AgN{{O}_{3}}\to Y\]. 1 litre of mixture X + excess \[BaC{{l}_{2}}\to Z\] Number of moles of Y and Z are [IIT JEE 2003]
  A)
  0.01, 0.01 done clear
  B)
  0.02, 0.01 done clear
  C)
  0.01, 0.02 done clear
  D)
  0.02, 0.02 done clear
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• question_answer4)
  Which of the following organometallic compound is \[\sigma \] and \[\pi \] bonded [MH CET 2001; PCET 2002]
  A)
  \[Fe{{(C{{H}_{3}})}_{3}}\] done clear
  B)
  \[[Fe{{({{\eta }^{5}}-{{C}_{5}}{{H}_{5}})}_{2}}]\] done clear
  C)
  \[{{[Co{{(CO)}_{5}}N{{H}_{3}}]}^{2+}}\] done clear
  D)
  \[K[PtC{{l}_{3}}({{n}^{2}}-{{C}_{2}}{{H}_{4}})]\] done clear
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• question_answer5)
  In \[\left[ Ni{{\left( N{{H}_{3}} \right)}_{4}} \right]S{{O}_{4}},\] the valency and coordination number of \[Ni\] will be respectively
  A)
  3 and 6 done clear
  B)
  2 and 4 done clear
  C)
  4 and 2 done clear
  D)
  4 and 4 done clear
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• question_answer6)
  Co-ordination number of \[Fe\] in the complexes \[{{\left[ Fe{{\left( CN \right)}_{6}} \right]}^{4-}},\] \[{{\left[ Fe{{\left( CN \right)}_{6}} \right]}^{3-}}\] and \[{{\left[ FeC{{l}_{4}} \right]}^{-}}\] would be respectively [MP PET 2003]
  A)
  2, 3, 3 done clear
  B)
  6, 6, 4 done clear
  C)
  6, 3,3 done clear
  D)
  6, 4, 6 done clear
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• question_answer7)
  On hydrolysis \[{{(Me)}_{2}}SiC{{l}_{2}}\] will produce [IIT-JEE 2003]
  A)
  \[{{(Me)}_{2}}Si{{(OH)}_{2}}\] done clear
  B)
  \[{{(Me)}_{2}}Si=O\] done clear
  C)
  \[-{{[-O-{{(Me)}_{2}}Si-O-]}_{n}}-\] done clear
  D)
  \[M{{e}_{2}}SiCl(OH)\] done clear
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• question_answer8)
  Which of the following represents a chelating ligand [JIPMER 2002]
  A)
  \[{{H}_{2}}O\] done clear
  B)
  \[O{{H}^{-}}\] done clear
  C)
  \[DMG\] done clear
  D)
  \[C{{l}^{-}}\] done clear
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• question_answer9)
  \[CuS{{O}_{4}}\] reacts with \[KCN\] solution and forms [MP PMT 1992; IIT 1996; UPSEAT 2001, 02]
  A)
  \[Cu{{(CN)}_{2}}\] done clear
  B)
  \[Cu(CN)\] done clear
  C)
  \[{{K}_{2}}\left[ Cu{{(CN)}_{4}} \right]\] done clear
  D)
  \[{{K}_{3}}\left[ Cu{{\left( CN \right)}_{4}} \right]\] done clear
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• question_answer10)
  In the process of extraction of gold, Roasted gold ore\[+C{{N}^{-}}+{{H}_{2}}O\xrightarrow{{{O}_{2}}}[X]+O{{H}^{-}}\] \[[X]+Zn\to [Y]+Au\] Identify the complexes [X] and [Y] [IIT-JEE 2003]
  A)
  \[X={{[Au{{(CN)}_{2}}]}^{-}},\,Y={{[Zn{{(CN)}_{4}}]}^{2-}}\] done clear
  B)
  \[X={{[Au{{(CN)}_{4}}]}^{3-}},\,Y={{[Zn{{(CN)}_{4}}]}^{2-}}\] done clear
  C)
  \[X={{[Au{{(CN)}_{2}}]}^{-}},\,Y=Zn{{(CN)}_{6}}{{]}^{4-}}\] done clear
  D)
  \[X={{[Au{{(CN)}_{4}}]}^{-}},\,Y={{[Zn{{(CN)}_{4}}]}^{2-}}\] done clear
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• question_answer11)
  A solution of potassium ferrocyanide would contains ...... ions [KCET 1990]
  A)
  2 done clear
  B)
  3 done clear
  C)
  4 done clear
  D)
  5 done clear
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• question_answer12)
  Which one of the following complexes is an outer orbital complex [AIEEE 2004]
  A)
  \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\] done clear
  B)
  \[{{[Mn{{(CN)}_{6}}]}^{4-}}\] done clear
  C)
  \[{{[Fe{{(CN)}_{6}}]}^{4-}}\] done clear
  D)
  \[{{[Ni{{(N{{H}_{3}})}_{6}}]}^{2+}}\] Atomic nos: \[Mn=25,\,Fe=26,\,Co=27,\,Ni=28\] done clear
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• question_answer13)
  Which one of the following has largest number of isomers? [AIEEE 2004]
  A)
  \[{{[Ir{{(P{{P}_{3}})}_{2}}H(CO)]}^{2+}}\] done clear
  B)
  \[{{[Co{{(N{{H}_{3}})}_{5}}Cl]}^{2+}}\] done clear
  C)
  \[{{[Ru{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]}^{+}}\] done clear
  D)
  \[{{[Co{{(en)}_{2}}C{{l}_{2}}]}^{+}}\] (R = alkyl group; en = ethylenediamine) done clear
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• question_answer14)
  Which kind of isomerism is exhibited by octahedral \[Co{{(N{{H}_{3}})}_{4}}B{{r}_{2}}Cl\] ? [IIT-JEE Screening 2005]
  A)
  Geometrical and Ionization done clear
  B)
  Geometrical and Optical done clear
  C)
  Optical and Ionization done clear
  D)
  Geometrical only done clear
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• question_answer15)
  Which one of the following is expected to exhibit optical isomerism (en = ethylenediamine)
  A)
  cis - \[[Pt{{(N{{H}_{3}})}_{2}}C{{l}_{2}}]\] done clear
  B)
  trans - \[[Co{{(en)}_{2}}C{{l}_{2}}]\] done clear
  C)
  trans - \[[Pt{{(N{{H}_{3}})}_{2}}C{{l}_{2}}]\] done clear
  D)
  cis - \[[Co{{(en)}_{2}}C{{l}_{2}}]\] done clear
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• question_answer16)
  \[{{[\text{EDTA}]}^{4-}}\] is a: [UPSEAT 2004]
  A)
  Monodentate ligand done clear
  B)
  Bidentate ligand done clear
  C)
  Quadridentate ligand done clear
  D)
  Hexadentate ligand done clear
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• question_answer17)
  Which of the following statements is incorrect? [KCET 2004]
  A)
  In \[{{K}_{3}}[Fe{{(CN)}_{6}}],\] the ligand has satisfied only the secondary valency of ferric ion. done clear
  B)
  In \[{{K}_{3}}[Fe{{(CN)}_{6}}],\] the ligand has satisfied both primary and secondary valencies of ferric ion. done clear
  C)
  In \[{{K}_{4}}[Fe{{(CN)}_{6}}],\] the ligand has satisfied both primary and secondary valencies of ferrous ion. done clear
  D)
  In \[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}},\] the ligand has satisfied only the secondary valency of copper. done clear
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• question_answer18)
  Which of the following is considered as an anticancer species. [CBSE PMT 2004]
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
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• question_answer19)
  An aqueous solution  of \[CoC{{l}_{2}}\] on addition of excess of concentrated HCl turns blue due to formation of [AIIMS 2005]
  A)
  \[[Co{{({{H}_{2}}O)}_{4}}C{{l}_{2}}]\] done clear
  B)
  \[{{[Co({{H}_{2}}O)2C{{l}_{4}}]}^{2-}}\] done clear
  C)
  \[{{[CoC{{l}_{4}}]}^{2-}}\] done clear
  D)
  \[[Co({{H}_{2}}O)2C{{l}_{2}}]\] done clear
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• question_answer20)
  The correct order for the wavelength of absorption in the visible region is [AIIMS 2005]
  A)
  \[{{[Ni{{(N{{O}_{2}})}_{6}}]}^{4-}}<{{[Ni{{(N{{H}_{3}})}_{6}}]}^{2+}}<{{[Ni{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done clear
  B)
  \[{{[Ni{{(N{{O}_{2}})}_{6}}]}^{4-}}<{{[Ni{{({{H}_{2}}O)}_{6}}]}^{2+}}<{{[Ni{{(N{{H}_{3}})}_{6}}]}^{2+}}\] done clear
  C)
  \[{{[Ni{{({{H}_{2}}O)}_{6}}]}^{2+}}<{{[Ni{{(N{{H}_{3}})}_{6}}]}^{2+}}<{{[Ni{{(N{{O}_{2}})}_{6}}]}^{4-}}\] done clear
  D)
  \[{{[Ni{{(N{{H}_{3}})}_{6}}]}^{2+}}<{{[Ni{{({{H}_{2}}O)}_{6}}]}^{2+}}<{{[Ni{{(N{{O}_{2}})}_{6}}]}^{4-}}\] done clear
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• question_answer21)
  In which of the following pairs both the complexes show optical isomerism [AIIMS 2005]
  A)
  cis-\[{{[Cr{{({{C}_{2}}{{O}_{4}})}_{2}}C{{l}_{2}}]}^{3-}}\], cis-\[[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]\] done clear
  B)
  \[[Co{{(en)}_{3}}]C{{l}_{3}}\], cis-\[[Co{{(en)}_{2}}C{{l}_{2}}]Cl\] done clear
  C)
  \[[PtCl(dien)]Cl\], \[{{[NiC{{l}_{2}}B{{r}_{2}}]}^{2-}}\] done clear
  D)
  \[[Co{{(N{{O}_{3}})}_{3}}{{(N{{H}_{3}})}_{3}}]\], cis-\[[Pt{{(en)}_{2}}C{{l}_{2}}]\] done clear
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• question_answer22)
  Which of the following compounds shows optical isomerism [AIEEE 2005; CBSE PMT 2005]
  A)
  \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\] done clear
  B)
  \[{{[ZnC{{l}_{4}}]}^{2-}}\] done clear
  C)
  \[{{[Cr{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}\] done clear
  D)
  \[{{[Co{{(CN)}_{6}}]}^{3-}}\] done clear
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