MCQ (Previous Year Questions) - Coordination Compound (Level 2) - JEE MCQ

 Which of the following pair is expected to exhibit same colour in solution ?   [JEE-2005]

Which type of isomerism is shown by [Co(NH₃)₄Br₂] Cl ?       [JEE-2005]

The coordination number of Ni²⁺ is 4.                    [JEE-2006]

NiCl₂ + KCN (excess)  A (cyanido complex)

NiCl₂ + Conc. KCl (excess)  B (chlorido complex)

The IUPAC name of A and B are

The coordination number of Ni²⁺ is 4.                          [JEE-2006]

NiCl₂ + KCN (excess)  A (cyanido complex)

NiCl₂ + Conc. KCl (excess)  B (chlorido complex)

 Predict the magnetic nature of A and B

The coordination number of Ni²⁺ is 4.                           [JEE-2006]

NiCl₂ + KCN (excess)  A (cyanido complex)

NiCl₂ + Conc. KCl (excess)  B (chlorido complex)

The hybridization of A and B are

 If the bond length of CO bond in carbon monoxides is 1.128 Å, then what is the value of CO bond length in Fe(CO)₅ ?           [JEE-2006]

Among the following metal carbonyls, the C– O bond order is lowest in                    [JEE-2007]

Match the complexes in Column I with their properties listed in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 × 4 matrix given in the ORS.        [JEE-2007]

Column I Column - II

(A) [Co(NH₃)₄(H₂O) ₂]Cl₂ (P) Geometrical isomers

(B) [Pt(NH₃)₂Cl₂] (Q) Paramagnetic

(C) [Co(H₂O)₅Cl]Cl (R) Diamagnetic

(D) [Ni(H₂O)₆]Cl₂ (S) Metal ion with

+2 oxidation state

 Among the following, the coloured compound is            [JEE-2008]

The IUPAC name of [Ni(NH₃)₄] [NiCl₄] is                        [JEE-2008]

Both [Ni(CO)₄] and [Ni(CN)₄]^2_ are diamagnetic. The hybridisations of nickel in these complexes, respectively, are           [JEE-2008]

Statement - 1 [Fe(H₂O)₅ NO]SO₄ is paramagnetic.

and

Statement - 2 The Fe in [Fe(H₂O)₅NO]SO₄ has three unpaired electrons.      [JEE-2008]

The spin only magnetic moment value (in Bohr magneton units) of Cr(CO)₆ is     [JEE-2009]

The compound(s) that exhibit (s) geometrical isomerism is (are)                                            [JEE-2009]

The correct structure of ethylenediaminetetraacetic acid (EDTA) is                               [JEE-2010]

The ionization isomer of [Cr(H₂O)₄Cl(NO₂)]Cl is                                               [JEE-2010]

The complex showing a spin - only magnetic moment of 2.82 B.M. is                                [JEE-2011]

Among the following complexes (K _ P), K₃[Fe(CN)₆] (K), [Co(NH₃)₆]Cl₃ (L), Na₃[Co(oxalate)₃] (M), [Ni(H₂O)₆]Cl₂(N), K₂[Pt(CN)₄] (O) and [Zn(H₂O)₆](NO₃) ₂ (P) the diamagnetic complexes are                              [JEE-2011]

The colour of light absorbed by an aqueous solution of CuSO₄ is                          [JEE-2012]

As per IUPAC nomenclature, the name of the complex, [Co(H₂O)₄(NH₃) ₂]Cl₃ is                           [JEE-2012]

NiCl₂{P(C₂H₅) ₂(C₆H₅)}₂ exhibits temperature dependent magnetic behaviour (paramagnetic / diamagnetic). The coordination geometries of Ni²⁺ in the paramagnetic and diamagnetic states are respectively.