JEE Main & Advanced Chemistry Coordination Chemistry Question Bank

done Mock Test - Coordination Compounds Total Questions - 25

• question_answer1)
  The correct name of  is
  A)
  tri -\[\mu \]- carbonyl bis (tricarbonyl) iron (0) done clear
  B)
  hexacarbonyl iron (III)\[\mu \]-tricarbonyl ferrate (0) done clear
  C)
  tricarbonyl iron (0)\[\mu \]-tricarbonyl iron (0) tricarbonyl done clear
  D)
  nonacarbonyl iron done clear
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• question_answer2)
  The IUPAC name of \[{{K}_{2}}[Cr{{(CN)}_{2}}{{O}_{2}}{{(O)}_{2}}(N{{H}_{3}})]\] is
  A)
  potassiumamminedicyanodioxoperoxo chromate (VI) done clear
  B)
  potassiumamminecyanoperoxodioxo chromium (VI) done clear
  C)
  potassiumamminecyanoperoxodioxo chromium (IV) done clear
  D)
  potassiumamminecyanoperoxodioxo chromate (IV) done clear
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• question_answer3)
  The number of geometrical isomers of \[[Co{{(N{{H}_{3}})}_{3}}{{(N{{O}_{3}})}_{3}}]\]are:
  A)
  0                      done clear
  B)
  2 done clear
  C)
  3                      done clear
  D)
  4 done clear
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• question_answer4)
  The correct order of magnetic moments (spin values in B.M.) among is:
  A)
  \[{{[Fe{{(CN)}_{6}}]}^{4-}}>{{[CoC{{l}_{4}}]}^{2-}}>{{[MnC{{l}_{4}}]}^{2-}}\] done clear
  B)
  \[{{[MnC{{l}_{4}}]}^{2-}}>{{[Fe{{(CN)}_{6}}]}^{4-}}>{{[CoC{{l}_{4}}]}^{2-}}\] done clear
  C)
  \[{{[Fe{{(CN)}_{6}}]}^{4-}}>{{[MnC{{l}_{4}}]}^{2-}}>{{[CoC{{l}_{4}}]}^{2-}}\] done clear
  D)
  \[{{[MnC{{l}_{4}}]}^{2-}}>{{[CoC{{l}_{4}}]}^{2-}}>{{[Fe{{(CN)}_{6}}]}^{4-}}\] (Atomic no. of Mn = 25, Fe = 26, Co = 27) done clear
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• question_answer5)
  Nickel (Z = 28) combines with a uninegative monodentate ligand \[{{X}^{-}}\] to form a paramagnetic complex \[{{[Ni{{X}_{4}}]}^{2-}}\]. The number of unpaired electron(s) in the nickel and geometry of the complex ion are, respectively:
  A)
  One, tetrahedral done clear
  B)
  Two, tetrahedral done clear
  C)
  One, square planar done clear
  D)
  Two, square planar done clear
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• question_answer6)
  In Fe\[{{(CO)}_{5}}\], the Fe\[-\]C bond possesses:
  A)
  \[\pi \]-character only done clear
  B)
  Both \[\sigma \] and \[\pi \] characters done clear
  C)
  Ionic character done clear
  D)
  \[\sigma \]-character only done clear
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• question_answer7)
  Among the ligands \[N{{H}_{3}}\], en, \[C{{N}^{-}}\] and CO, the correct order of their increasing field strength is
  A)
  CO <\[N{{H}_{3}}\]<en<\[C{{N}^{-}}\] done clear
  B)
  \[N{{H}_{3}}\]<en<\[C{{N}^{-}}\]<CO done clear
  C)
  \[C{{N}^{-}}\]<\[N{{H}_{3}}\]<CO<en done clear
  D)
  en <\[C{{N}^{-}}\]<\[N{{H}_{3}}\]<CO done clear
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• question_answer8)
  The octahedral complex of a metal ion \[{{M}^{3+}}\] with fan monodentate ligands \[{{L}_{1}},\]\[{{L}_{2}},\]\[{{L}_{3}},\] and \[{{L}_{4}},\] absorbs wavelength! in the region of red, green, yellow, and blue, respectively The increasing order of ligand strength of the four Uganda is:
  A)
  \[{{L}_{4}}<{{L}_{3}}<{{L}_{2}}<{{L}_{1}}\] done clear
  B)
  \[{{L}_{1}}<{{L}_{3}}<{{L}_{2}}<{{L}_{4}}\] done clear
  C)
  \[{{L}_{3}}<{{L}_{2}}<{{L}_{4}}<{{L}_{1}}\] done clear
  D)
  \[{{L}_{1}}<{{L}_{2}}<{{L}_{4}}<{{L}_{3}}\] done clear
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• question_answer9)
  The number of geometric isomers that can exist for square planar \[{{[Pt()Cl(py)(N{{H}_{3}})(N{{H}_{2}}OH)]}^{+}}\] I (py = pyridine): '
  A)
  2                      done clear
  B)
  3 done clear
  C)
  4          done clear
  D)
  6 done clear
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• question_answer10)
  Amongst \[Ni{{(CO)}_{4}},{{[Ni{{(CN)}_{4}}]}^{2-}}\] and \[NiC{{l}_{4}}^{2-}\]
  A)
  \[Ni{{(CO)}_{4}}\] and \[NiC{{l}_{4}}^{2-}\] are diamagnetic and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] is paramagnetic done clear
  B)
  \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] are diamagnetic and \[Ni{{(CO)}_{4}}\] is paramagnetic done clear
  C)
  \[Ni{{(CO)}_{4}}\] and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] are diamagnetic and \[NiC{{l}_{4}}^{2-}\]is paramagnetic done clear
  D)
  \[Ni{{(CO)}_{4}}\] is diamagne and \[NiC{{l}_{4}}^{2-}\] and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] are paramagnetic done clear
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• question_answer11)
  Among the following metal carbonyls, the C-0 bond order is lowest in
  A)
  \[{{[Mn{{(CO)}_{6}}]}^{+}}\] done clear
  B)
  \[[Fe{{(CO)}_{5}}]\] done clear
  C)
  \[[Cr{{(CO)}_{6}}]\]                  done clear
  D)
  \[{{[V{{(CO)}_{6}}]}^{-}}\] done clear
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• question_answer12)
  Geometrical shapes of the complexes formed by the reaction of \[N{{i}^{2+}}\] with \[C{{I}^{-}}\], \[C{{N}^{-}}\] and \[{{H}_{2}}O\], respectively, are
  A)
  octahedral, tetrahedral and square planar done clear
  B)
  tetrahedral, square planar and octahedral done clear
  C)
  square planar, tetrahedral and octahedral done clear
  D)
  octahedral, square planar and octahedral done clear
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• question_answer13)
  \[NiC{{l}_{2}}{{\left\{ P{{({{C}_{2}}{{H}_{5}})}_{2}}\,({{C}_{6}}{{H}_{5}}) \right\}}_{2}}\] exhibits temperature dependent magnetic behaviour (paramagnetic / diamagnetic). The coordination geometries of \[N{{i}^{2+}}\] in the paramagnetic and diamagnetic states respectively, are
  A)
  tetrahedral and tetrahedral done clear
  B)
  square planar and square planar done clear
  C)
  tetrahedral and square planar done clear
  D)
  square planar and tetrahedral done clear
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• question_answer14)
  Which of the following statements is correct with respect to the metal carbonyls of 1st transition series?
  A)
  As \[M-C\pi \] bonding increases, the C-O bond length increases. done clear
  B)
  As positive charge on the central metal atom increase the C-O bond length increases. done clear
  C)
  As electron density on the central metal atom increase the C-O bond length increases. done clear
  D)
  [a] and [c] both. done clear
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• question_answer15)
  Match List I (complex ions) with List II (CFSE) and select the correct answer using the codes given below the list;

  	List I		List II
  (P)	\[{{[Mn({{H}_{2}}{{O}_{6}})]}^{2+}}\]	1.	\[-\]0.6 \[{{\Delta }_{0}}\]
  (Q)	\[{{[Cr({{H}_{2}}{{O}_{6}})]}^{2+}}\]	2.	\[-\]0.4 \[{{\Delta }_{0}}\]
  (R)	\[{{[Fe({{H}_{2}}{{O}_{6}})]}^{2+}}\]	3.	0
  (S)	\[{{[Cr({{H}_{2}}{{O}_{6}})]}^{3+}}\]	4.	\[-\]1.2 \[{{\Delta }_{0}}\]

  Code:
  A)
  P\[\to \]3,           Q\[\to \]1,          R\[\to \]2,           S\[\to \]4 done clear
  B)
  P\[\to \]1,           Q\[\to \]2,          R\[\to \]3,           S\[\to \]4 done clear
  C)
  P\[\to \]4,           Q\[\to \]3,          R\[\to \]2,           S\[\to \]1                        done clear
  D)
  None of these done clear
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• question_answer16)
  Which of the following statements is not true?
  A)
  \[{{[MnC{{l}_{4}}]}^{2-}}\] ion has tetrahedral geometry and paramagnetic. done clear
  B)
  \[{{[Mn{{(Cl)}_{6}}]}^{2-}}\] ion has octahedral geometry and paramagnetic. done clear
  C)
  \[{{[Cu{{(CN)}_{4}}]}^{3-}}\]- has square planar geometry and diamagnetic. done clear
  D)
  \[[Ni{{(P{{h}_{3}}P)}_{2}}B{{r}_{3}}]\] has trigonal bipyramidal geometry 2 is paramagnetic. done clear
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• question_answer17)
  Match Column I with Column II and select the con- answer with respect to hybridisation using the codes gr below:

  	Column I (Complex)		Column II (Hybridisation)
  (I)	\[{{[Au{{F}_{4}}]}^{-}}\]	(P)	\[ds{{p}^{2}}\]hybridisation
  (II)	\[{{[Cu{{(CN)}_{4}}]}^{3-}}\]	(Q)	\[ds{{p}^{3}}\]hybridisation
  (III)	\[{{[Cu{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}\]	(R)	\[s{{p}^{3}}\,{{d}^{2}}\]hybridisation
  (IV)	\[{{[Fe{{({{H}_{2}}O)}_{5}}NO]}^{2+}}\]	(S)	\[{{d}^{2}}s{{p}^{3}}\]hybridisation

  Codes:
  A)
  (I)\[\to \]Q,         (II)\[\to \]P,        (III)\[\to \]R,       (IV)\[\to \]S done clear
  B)
  (I)\[\to \]P,         (II)\[\to \]Q,        (III)\[\to \]S,       (IV)\[\to \]R done clear
  C)
  (I)\[\to \]P,         (II)\[\to \]Q,        (III)\[\to \]R,       (IV)\[\to \]S done clear
  D)
  (I)\[\to \]Q,         (II)\[\to \]P,        (III)\[\to \]S,       (IV)\[\to \]R done clear
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• question_answer18)

  Which of the following complexes show geometrical as well as optical isomerism?

  (1) \[{{[Cr{{(OX)}_{3}}]}^{3-}}\]

  (2) \[{{[Rh{{(en)}_{2}}C{{l}_{2}}]}^{+}}\]

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

  Select the correct answer using the codes given below.

  A)
  1 only   done clear
  B)
  1 and 2 only done clear
  C)
  2 and 3 only      done clear
  D)
  1, 2, and 3 done clear
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• question_answer19)
  Select the correct statement from the following.
  A)
  \[{{[Sc{{({{H}_{2}}O)}_{6}}]}^{3+}}\] and \[{{[Ti{{({{H}_{2}}O)}_{6}}]}^{3+}}\] both are colourless. done clear
  B)
  \[[Co{{(N{{H}_{3}})}_{4}}B{{r}_{2}}]Cl\] shows ionization isomers and geometrical isomers. done clear
  C)
   \[[Pd{{(N{{O}_{2}})}_{2}}{{(N{{H}_{3}})}_{2}}]\] is square planar and shows geometrical as well as linkage isomers. done clear
  D)
  Both [b] and [c] are correct. done clear
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• question_answer20)
  \[[Co{{(N{{H}_{3}})}_{4}}{{(N{{O}_{2}})}_{2}}]Cl\] exhibits:
  A)
  linkage isomerism, geometrical isomerism and optical isomerism done clear
  B)
  linkage isomerism, ionization isomerism and optical isomerism done clear
  C)
  linkage isomerism, ionization isomerism and geometrical isomerism done clear
  D)
  ionization isomerism, geometrical isomerism and optical isomerism done clear
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• question_answer21)
  How many moles of AgCl would be obtained when 100 mL of 0.1 M \[CoC{{l}_{3}}\,.\]3\[N{{H}_{3}}\] is treated with excess Ag\[N{{O}_{3}}\]?
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• question_answer22)
  For square planar complex of platinum (II), \[{{[Pt(N{{H}_{3}})(Br)(Cl)Py]}^{2+}}\] how many isomeric forms are possible?
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• question_answer23)
  The number of terminal carbonyl groups present in \[F{{e}_{2}}{{(CO)}_{9}}\] are
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• question_answer24)
  For the octahedral complexes of \[F{{e}^{3+}}\] in SCN (thiocyanato-S) and in\[C{{N}^{-}}\]ligand environments, the difference between the spin-only magnetic moments in Bohr magnetons (when approximated to the nearest integer) is [Atomic number of Fe = 26]
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• question_answer25)
  In the complex acetylbromidodicarbonylbi (triethylphosphine) iron (II), the number of Fe - C bond(s) is
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