JEE Main & Advanced Chemistry Coordination Chemistry Question Bank

done Numerical Value Type Questions - Coordination Compounds Total Questions - 15

• question_answer1)
  0.02 mole of \[{{[Co\,N{{H}_{3}})}_{5}}Br]\,C{{l}_{2}}\] and 0.02 mole of \[{{[Co\,N{{H}_{3}})}_{5}}Cl]\,S{{O}_{4}}\] are present in 200 cc of a solution X. Calculate the number of moles of the precipitate Y formed when the solution X is treated with excess silver nitrate.
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• question_answer2)
  50 mL of 0.2 M solution of a compound with empirical formula \[CoC{{l}_{3}}.4N{{H}_{3}}\] on treatment with excess of \[AgN{{O}_{3}}\text{(}aq)\] yields 1.435 g of AgCl. Ammonia is not removed by treatment with concentrated \[{{H}_{2}}S{{O}_{4}}\]. How many ionisable chlorine atoms are present in the formula of the compound?
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• question_answer3)
  The ion Co(en) \[C{{l}_{2}}Br_{2}^{-}\] is expected to have x isomers. Find the value of x.
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• question_answer4)
  How many of the following compounds have optical isomers?

  (I) \[[Co\,{{(en)}_{3}}]\,B{{r}_{3}}\]

  (II) \[[Co\,{{(N{{H}_{3}})}_{3}}B{{r}_{3}}]\]

  (III) \[[Co\,{{(en)}_{2}}B{{r}_{2}}]\,Br\]

  (IV) \[[Co\,(en)\,{{(N{{H}_{3}})}_{2}}B{{r}_{2}}]Br\]

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• question_answer5)
  Considering \[{{H}_{2}}O\] as a weak field ligand, find the number of unpaired electrons in \[{{[Mn{{({{H}_{2}}O)}_{6}}]}^{2+}}\]. (At. no. of Mn = 25)
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• question_answer6)
  What is the crystal field stabilization energy for high spin \[{{d}^{6}}\] octahedral complex?
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• question_answer7)
  How many of the following complexes are optically inactive?

  (i) \[trans-{{[Co{{(N{{H}_{3}})}_{4}}{{I}_{2}}]}^{+}}\]

  (ii) \[cis-{{[Co{{(N{{H}_{3}})}_{2}}{{(en)}_{2}}]}^{3+}}\]

  (iii) \[trans-{{[Co{{(N{{H}_{3}})}_{2}}{{(en)}_{2}}]}^{3+}}\]

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• question_answer8)
  What is the coordination number of Fe(II) in oxyhaemoglobin?
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• question_answer9)
  If PQRS are four different ligands, then how many geometric isomers will be found for square planar\[{{[Pt.\,PQRS]}^{2}}^{+}\]?
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• question_answer10)
  How many of the following complexes (K - P) are diamagnetic? \[{{K}_{3}}[Fe{{(CN)}_{6}}](K),\,[Co\,{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}(L),N{{a}_{3}}\] \[[Co\,{{(oxalate)}_{3}}]\,(M),\] the \[[Ni{{({{H}_{2}}O)}_{6}}]\,C{{l}_{2}}\,(N),\,{{K}_{2}}\] \[[Pt\,{{(CN)}_{4}}]\,(O)\] and \[[Zn{{({{H}_{2}}O)}_{6}}]\,{{(N{{O}_{3}})}_{2}}(P)\]
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• question_answer11)
  Among \[[Ni\,{{(CO)}_{4}}],\,\,{{[NiC{{l}_{4}}]}^{2-}},\,\,[Co{{(N{{H}_{3}})}_{4}}\,C{{l}_{2}}]\,Cl\] \[N{{a}_{3}}\,[Co{{F}_{6}}],\,\,N{{a}_{2}}{{O}_{2}}\] and \[Cs{{O}_{2}}\] find the total number of paramagnetic compounds.
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• question_answer12)
  Find the volume (in mL) of \[0.1\text{ }MAgN{{O}_{3}}\] required for complete precipitation of chloride ions present in 30 mL of 0.01 M solution of \[[Cr{{({{H}_{2}}O)}_{5}}Cl]\,C{{l}_{2}}\]
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• question_answer13)
  \[EDT{{A}^{4-}}\] is ethylenediaminetetraacetate ion. What is the total number of N - Co - O bonds in \[{{[Co(EDTA)]}^{1-}}\] complex ion?
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• question_answer14)
  Among the complex ions, \[{{[Co{{(N{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-N{{H}_{2}})}_{2}}C{{l}_{2}}]}^{+}},\] \[{{[CrC{{l}_{2}}{{({{C}_{2}}{{O}_{4}})}_{2}}]}^{3-}},\,{{[Fe{{({{H}_{2}}O)}_{4}}{{(OH)}_{2}}]}^{+}}\,,[Fe{{(N{{H}_{3}})}_{2}}\] \[{{(CN)}_{4}}{{]}^{-}},\,\,[Co{{(N{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-N{{H}_{2}})}_{2}}\] \[(N{{H}_{3}})\,Cl{{]}^{2+}}\] and \[{{[Co{{(N{{H}_{3}})}_{4}}({{H}_{2}}O)Cl]}^{2+}},\] Find the number of complex ion(s) that show(s) cis-trans isomerism.
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• question_answer15)
  Find the total no. of unpaired \[{{e}^{-}}\] present in the following complexes.

  (I) \[[Fe{{(CO)}_{5}}]\]

  (II) \[[Cr{{(CO)}_{6}}]\]

  (III) \[{{[Fe\,{{(CN)}_{6}}]}^{4-}}\]

  (IV) \[{{[Mn{{(CN)}_{6}}]}^{4-}}\]

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