MCQ on Coordination Compounds

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    MCQ on Coordination Compounds. We covered all the MCQ on Coordination Compounds in this post for free so that you can practice well for the exam.

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    MCQ on Coordination Compounds for NEET Students

    Which of the following ligand descriptions is incorrectly matched?

    (A) Hydroxylamine – Neutral ligand

    (B) Hydrazinium – Neutral ligand

    (C) Nitrate – Negatively charged ion

    (D) Carbonate – Negatively charged ion

    Option b – Hydrazinium – Neutral ligand

    Arrange the ligands in the correct order of decreasing field strength.

    (A) CN > EDTA > HO > OH > CH

    (B) CN > H₂O > EDTA > OH > CF

    (C) H₂O > CN > OH > EDTA > Cl

    (D) CN > EDTA > OH > H₂O > CF

    Option a – CN > EDTA > HO > OH > CH

    Select the accurate statement based on Werner’s theory of coordination compounds.

    (A) The outer coordination sphere includes the central metal ion and its ligands

    (B) Primary valences are variable and lack directionality

    (C) Ligands in the coordination sphere are loosely attached to the metal

    (D) The secondary valence is equivalent to the metal’s oxidation number

    Option b – Primary valences are variable and lack directionality

    A homoleptic octahedral complex of Mn(III) shows a spin-only magnetic moment of 4.90 B.M. Which ligand is most likely present?

    (A) en

    (B) CN

    (C) CO

    (D) Cl

    Option d – Cl

    Two isomers, X and Y, with the formula Cr(H₂O)₅ClBr₂ were studied in a freezing point depression experiment. X caused a drop equal to 2 particles per mole, while Y corresponded to 3 particles. Identify the correct structures of X and Y.

    (A) [Cr(H₂O)₅Cl]Br₂ and [Cr(H₂O)₃ClBr₂]·2H₂O

    (B) [Cr(H₂O)₅Br]BrCl and [Cr(H₂O)₄ClBr]Br·H₂O

    (C) [Cr(H₂O)₅Cl]Br₂ and [Cr(H₂O)₄ClBr]Br·H₂O

    (D) [Cr(H₂O)₄Br₂]Cl·H₂O and [Cr(H₂O)₅Cl]Br₂

    Option d – [Cr(H₂O)₄Br₂]Cl·H₂O and [Cr(H₂O)₅Cl]Br₂

    What is the energy separation between t₂g and e₉ orbitals in a tetrahedral crystal field?

    (A) 4Dq

    (B) 6Dq

    (C) 10Dq

    (D) 12Dq

    Option c – 10Dq

    Triethylenetetramine belongs to which category of ligands?

    (A) Monodentate

    (B) Bidentate

    (C) Tridentate

    (D) Tetradentate

    Option d – Tetradentate

    In Tollens’ reagent, silver forms a complex with ammonia. What are the oxidation state and coordination number of silver in this complex?

    (A) +1, 1

    (B) +2, 1

    (C) +2, 2

    (D) +1, 2

    Option d – +1, 2

    Which of the following is an iron-containing coordination complex?

    (A) Chlorophyll

    (B) Wilkinson’s catalyst

    (C) cis-Platin

    (D) Haemoglobin

    Option d – Haemoglobin

    If sulphur of the SCN ligand is bonded to the metal, what is the correct name of the ligand?

    (A) Thiocyanato-N

    (B) Cyanato-N

    (C) Thiocyanato-S

    (D) Cyanato-S

    Option c – Thiocyanato-S

    A cobalt complex (P), when reacted with excess AgNO₃, gives 4.305 g of AgCl from 0.01 mol of the complex. What is the formula of the complex? (Atomic masses: Cl = 35.5, Co = 58.9, Ag = 108)

    (A) Co(NH₃)₃Cl₃

    (B) [Co(NH₃)₅Cl]Cl₂

    (C) [Co(NH₃)₆]Cl₃

    (D) [Co(NH₃)₄Cl₂]NO₃

    Option c – [Co(NH₃)₆]Cl₃

    Assuming complete dissociation, how many moles of ions result from the dissolution of one mole of potassium ferrocyanide?

    (A) 4 mol

    (B) 5 mol

    (C) 10 mol

    (D) 11 mol

    Option b – 5 mol

    What type of compound is Mn₂(CO)₁₀?

    (A) Mononuclear

    (B) Dinuclear

    (C) Trinuclear

    (D) Tetranuclear

    Option b – Dinuclear

    We covered all the MCQ on coordination compounds above in this post for free so that you can practice well for the exam.

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