⚡ Coordination Compounds MCQ for NEET S01 – By Mudassar

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Coordination Compounds MCQ for NEET – Practice Set 1

NEET Chemistry Coordination Compounds MCQs with answers available in Pdf format for free download. This MCQ Questions for NEET Chemistry with answers have been prepared as per the latest 2022 – 2023 NEET Chemistry syllabus examination pattern by Mudassar Husain. Multiple Choice Questions form important part of Coordination Compound is for competitive exams like NEET, WBJEE, MH CET, SET and JEE Main exam and if practiced properly can help you to get higher rank in your board examination .

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Table of Contents

Coordination Compounds MCQ for NEET- Practice Set 1

  • 1.Among the following complexes (K-P), K3[Fe(CN)6](K), [CO(NH3)6]Cl3(L), Na3[Co(ox)3](M), [Ni(HpO)6]Cl2 (N), K2[Pt(CN)4](O) and [Zn(H2O)6](NO3)2(P) the diamagnetic complexes are
    (a) K, L, M, N
    (b) K, M, O, P
    (c) L, M, O, P
    (d) L, M, N, O
  • 2. The value of the ‘spin only’ magnetic moment for one of the following configurations is 2.84 BM. The correct one is
    (a) d5 (in strong ligand field)
    (b) d3 (in weak as well as strong ligand fields)
    (c) d4 (in weak ligand field)
    (d) d4 (in strong ligand field)
  • 3. The correct order of magnetic moments (spin only value in BM) among, the following is (Atomic number Mn=25, Fe=26, Co=27)
    (a) [MnCl4]2- > [CoCl4]2- > [Fe(CN)6]4-
    (b) [MnCl4]2- > [Fe(CN)6]4- > [CoCl]2-
    (c) [Fe(CN)6]4- > [MnC4]2- > [CoCl4]2-
    (d) [Fe(CN)6]4- > [CoCl4]2- > [MnCl4]2-
  • 4. A complex compound of Co3+ with molecular formula CoClx.yNH3 gives a total of 3 ions when dissolved in water. How many Cl ions satisfy both primary and secondary valencies in this complex?
    (a) 3
    (b) 1
    (c) 4
    (d) 0
  • 5. 

 

Answer:

1…. NEET 1

2….NEET 2

3…..NEET 3

4…..NEET 4

Coordination Compounds MCQ for NEET and JEE Main- Practice Set 2

  • 1. The magnetic moment of K3[Fe(CN)6] is found to be 1.7 BM. How many unpaired electrons(s) is/are present per molecule?
    (a) 1
    (b) 2
    (c) 3
    (d) 4
  • 2. The d-electron configurations of Cr2+, Mn2+, Fe2+ and Ni2+ are 3d4, 3d5, 3d6 and 3d8 respectively. Which one of the following aqua complexes will exhibit the minimum paramagnetic behavior? (Atomic number Cr=24, Mn=25, Fe=26, Ni=28)
    (a) [Mn(H2O)6]2+
    (b) [Fe(H2O)6]2+
    (c) [Ni(H2O)6]2+
    (d) [Cr(H2O)6]2+

Aswer:

1… a

2…Ni2+ have electronic configuration 3d8 and H2O is weak field ligand so unpaired electron is n=2 shows minimum paramagnetic behavior

3….

Coordination Compounds MCQ for JEE Main – Practice Set 3

  • 1. Why do compounds having similar geometry have different magnetic moment?
    (a) Due to different reactivity
    (b) Due to their labile nature
    (c) Due to the presence of weak and strong field ligands
    (d) None of the above

Answer:

1…..(c)Due to the presence of weak and strong field ligands

Coordination Compounds MCQ for Class 12th – Practice Set 4

c4

Coordination Compounds MCQ for Class 12 – Practice Set 5

  • 1. According to werner’s theory :
    (A) Primary Valeccy can be ionized
    (B) Secondary valency can be ionized
    (C) Primary and secondary valencies cannot be ionized
    (D) Only primary valency cannot be ionized
  • 2. Which is the example of hexadentate ligand ?
    (A) 2,2-dipyridyl (B) Dimethyl glyoxime
    (C) Aminodiacetate ion (D) Ethylene diammine tetra actate ion
  • 3. Potasssium ferrocyanide is a _____
    (A) Normal salt (B) Mixed salt (C) Double salt (D) Complex salt
  • 4. Given the molecular formula of the hexa coordinated complexes.
    (A) CoCl3 6NH3
    (B) CoCl3 5NH3
    (C) CoCl3 4NH3
    If the number of coordinated NH3 molecules in A,B and C respectively are 6,5 and 4 the primary valency (A), (B) and (C) are:
    (A) 6,5,4 (B) 3,2,1 (C) 0,1,2 (D) 3,3,3
  • 5. Coordination number of Ni in [Ni(C2O4)3]4- is
    (a) 3
    (b) 4
    (c) 5
    (d) 6
  • 6.The coordination number of a central metal atom in a complex is determined by
    (a) the number of ligands around a metal ion bonded by sigma bonds
    (b) the number of ligands around a metal ion bonded by pi bonds
    (c) the number of ligands around a hnetal ion bonded by sigma and pi bonds both
    (d) the number of only anionic ligands bonded to the metal ion
  • 7.The value of the ‘spin only’ magnetic moment for one of the following configurations is 2.84 BM. The correct one is
    (a) d5 (in strong ligand field)
    (b) d3 (in weak as well as strong ligand fields)
    (c) d4 (in weak ligand field)
    (d) d4 (in strong ligand field)

 

Answer:

  • 1. (a) Primary valency- This is ionizable and is satisfied by the negative charges. In werner coordination theory the primary valency corresponds to the oxidation state of the central transition metal ion and it is always preferred to satisfied by the negative charged ions . On the other hand the secondary valency corresponds to the coordination number of the metal complex.
  • 2. (d) Ethylenediaminetetraacetic acid this white, water-soluble solid is widely used to bind to iron and calcium ions. It binds these ions as a hexadentate (“six-toothed”) chelating agent.
  • 3. d
  • 4. c 0,1,2
  • 5. 3×2=6
  • 6. Coordination numbetis the maximum covalency shown by a metal or metal ion. It maximum number of ligands attached to metal by sigma bonds or coordinate bonds.
  • 7.

Coordination Compounds MCQ for Class 12 – Practice Set 6

  1. Ligand in a complex salt are :
    (A) Anions linked by coordinate bonds to a central metal atom or ion
    (B) Cation linked by coordinate bonds to a central metal atom or ion
    (C) Moleculer linked by coordinate bonds to a central metal atom or ion
    (D) Ions or molecules linked by coordinate bonds to a central metal atom or ion
  2. The coordination number of cobalt in the complex [Co(en)2Br2]cl2 ?
    (A) 2 (B) 6 (C) 5 (D) 4
  3. The primary valency of the metal ion in the coordinateion compound K2[Ni(CN)4] is ___
    (A) Four (B) Zero (C) Two (D) Six
  4.  
Coordination Compounds MCQ for NEET 2022 - 23

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