NEET Chemistry Coordination Compounds MCQs

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    NEET Questions / Chemistry / Coordination Compounds

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    Iupac Nomenclature
    Isomerism
    Werner'S Theory
    Valence Bond Theory
    Crystal Field Theory
    Organo Metallic Compounds & Importance Of Coordination Compounds
    1.

    A chiral organic compound (A) with molecular formula C7H16OC_7H_{16}O on treatment with conc. H2SO4H_2SO_4 at room temperature gives compound (B), C7H14C_7H_{14}. Compound (B) does not show geometrical isomerism. How many chiral centers are present in compound (A)?

    A

    0

    B

    1

    C

    2

    D

    3

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Coordination Compounds
    🎯Topic:Isomerism
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Isomerism, Chirality, Dehydration, Alcohols, Alkenes
    2.

    An organic compound with molecular formula C6H10C_6H_{10} exhibits optical isomerism and decolorizes bromine water. It does not show geometrical isomerism. Which of the following could be the compound?

    A

    Hex-3-yne

    B

    2,3-Dimethylbuta-1,3-diene

    C

    3-Methylcyclopentene

    D

    Cyclohexa-1,3-diene

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Coordination Compounds
    🎯Topic:Isomerism
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Isomerism, Optical Isomerism, Geometrical Isomerism, Alkenes, Alkynes
    3.

    A compound with molecular formula C4H8OC_4H_8O exhibits optical isomerism but doesn't react with Tollen's reagent. How many such isomers are possible?

    A

    1

    B

    2

    C

    3

    D

    4

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Coordination Compounds
    🎯Topic:Isomerism
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Isomerism, Optical Isomerism, Ketones, Aldehydes
    4.

    A cobalt complex [Co(NH3)xCl2]Cl has a molar conductivity corresponding to a 1:1 electrolyte. It exhibits cis-trans isomerism but no optical activity. What is the likely value of x and geometry?

    A

    x = 2, tetrahedral

    B

    x = 4, square planar

    C

    x = 4, octahedral

    D

    x = 6, octahedral

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Coordination Compounds
    🎯Topic:Werner'S Theory
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Werner’s Theory, Conductivity, Isomerism, Coordination Geometry
    5.

    A complex of the formula [M(AA)2b2]n+ (where AA is a symmetrical bidentate ligand and 'b' is a monodentate ligand) is known to exist as three different isomers. One isomer shows optical activity, while the other two do not. Which of the following is the MOST LIKELY geometry of the complex?

    A

    Tetrahedral

    B

    Square planar

    C

    Octahedral

    D

    Trigonal bipyramidal

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Coordination Compounds
    🎯Topic:Werner'S Theory
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :4 mins
    🔄Ncert Concepts :Werner's Theory, Isomerism, Coordination Geometry
    6.

    Which of the following high-spin complexes exhibits the largest Jahn-Teller distortion?

    A

    [Cr(H2_2O)6_6]3+^{3+}

    B

    [Cr(H2_2O)6_6]2+^{2+}

    C

    [Mn(H2_2O)6_6]2+^{2+}

    D

    [Fe(H2_2O)6_6]3+^{3+}

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Coordination Compounds
    🎯Topic:Crystal Field Theory
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :2.5 mins
    🔄Ncert Concepts :Crystal Field Theory, Jahn-Teller Distortion, d-electron configurations
    7.

    Which statement is false regarding EDTA?

    A

    EDTA forms stable complexes with most metal ions

    B

    EDTA prefers to bind to divalent cations

    C

    EDTA is commonly used in chelation therapy

    D

    EDTA is hexadentate

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Coordination Compounds
    🎯Topic:Iupac Nomenclature
    PYQ Year :2021
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Coordination Compounds, Ligands, Chelation, Solubility
    8.

    If a complex ion absorbs light of higher energy, what can be inferred about the ligand field strength?

    A

    The ligand is a weak field ligand.

    B

    The ligand is a strong field ligand.

    C

    The ligand field strength cannot be determined.

    D

    The complex is unstable.

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Coordination Compounds
    🎯Topic:Crystal Field Theory
    PYQ Year :2020
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Coordination Compounds, Ligands, Crystal Field Theory, Spectroscopy
    9.

    Assertion: CH3LiCH_3Li is an organometallic compound with a sigma bond between carbon and lithium.

    Reason: Organometallic compounds always contain a metal-carbon sigma bond.

    A

    Both assertion and reason are true, and the reason is the correct explanation of the assertion

    B

    Both assertion and reason are true, but the reason is not the correct explanation of the assertion

    C

    Assertion is true but reason is false

    D

    Assertion is false but reason is true

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Coordination Compounds
    🎯Topic:Organo Metallic Compounds & Importance Of Coordination Compounds
    PYQ Year :2017
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :1.5 mins
    🔄Ncert Concepts :organometallic compounds, sigma bond, metal-carbon bond types
    10.

    Among the following pair of complexes, in which case Δ0{\Delta _0} value is higher for the second one

    A

    [Co(NH3)6]+3  and  [CoF6]−3{\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]^{ + 3}}\,\,and\,\,{\left[ {Co{F_6}} \right]^{ - 3}}

    B

    [Co(CN)6]−3  and  [Co(NH3)6]+3{\left[ {Co{{\left( {CN} \right)}_6}} \right]^{ - 3}}\,\,and\,\,{\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]^{ + 3}}

    C

    [Co(H2O)6]+3  and  [Rh(H2O)6]+3{\left[ {Co{{\left( {{H_2}O} \right)}_6}} \right]^{ + 3}}\,\,and\,\,{\left[ {Rh{{\left( {{H_2}O} \right)}_6}} \right]^{ + 3}}

    D

    [Co(H2O)6]+3  and  [Co(H2O)6]+2{\left[ {Co{{\left( {{H_2}O} \right)}_6}} \right]^{ + 3}}\,\,and\,\,{\left[ {Co{{\left( {{H_2}O} \right)}_6}} \right]^{ + 2}}

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Coordination Compounds
    🎯Topic:Crystal Field Theory
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Crystal Field Theory, Spectrochemical Series, Oxidation State, d-orbital splitting

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