NEET Chemistry MCQs

    Improve your NEET Chemistry preparation with topic-wise practice questions. Strengthen concepts with our comprehensive NEET Chemistry question bank.

    NEET Questions / Chemistry

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    Some Basic Concepts in Chemistry
    Structure Of Atom
    States Of Matter
    Chemical Equilibrium
    Classification of Elements and Periodicity in Properties
    Hydrogen
    Organic Chemistry: Some basic principles and techniques
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    Solutions
    Redox Reactions
    Chemical Kinetics
    Coordination Compounds
    Haloalkanes And Haloarenes
    Alcohols, Phenols And Ethers
    Chemistry In Everyday Life
    Classification Of Elements
    The S-Block Elements
    Environmental Chemistry
    The Solid State
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    General Principles And Processes Of Isolation Of Elements
    1.

    Consider the hypothetical molecule AB2AB_2, where A and B are nonmetals. If the molecule has a bent shape with a bond angle significantly less than 120°, which of the following is the MOST likely hybridization of the central atom A?

    A

    spsp

    B

    sp2sp^2

    C

    sp3sp^3

    D

    sp3dsp^3d

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1.5 mins
    🔄Ncert Concepts :VSEPR Theory, Hybridization, Molecular Geometry
    2.

    The PCl5PCl_5 molecule exhibits a trigonal bipyramidal geometry. Which of the following BEST explains the difference in bond lengths between axial and equatorial bonds in PCl5PCl_5?

    A

    Difference in hybridization of axial and equatorial chlorine atoms.

    B

    Unequal sharing of electrons between phosphorus and axial vs. equatorial chlorine atoms.

    C

    Greater repulsion experienced by axial bond pairs due to 90° interactions with equatorial bond pairs.

    D

    The presence of d-orbitals in phosphorus preferentially influences axial bond lengths.

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :VSEPR Theory, Bond Length, Repulsion
    3.

    A molecule XY2XY_2 has a bond angle of 180°. Assuming that the central atom X follows the octet rule and forms no coordinate bonds, which of the following statements regarding the molecule is MOST likely FALSE?

    A

    The central atom X uses spsp hybrid orbitals for bonding.

    B

    The molecule is linear.

    C

    The central atom X has no lone pairs of electrons.

    D

    The molecule must be polar if X and Y have different electronegativities.

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :VSEPR Theory, Hybridization, Molecular Polarity
    4.

    A molecule AB4 has a see-saw shape. Considering Valence Bond Theory, what is the most likely hybridization of the central atom A and its likely outer electronic configuration?

    A

    sp3, ns2np2

    B

    sp3d, ns2np3

    C

    sp3d2, ns2np4

    D

    dsp3, ns2np3nd1

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Valence Bond Theory
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1.5 mins
    🔄Ncert Concepts :Valence Bond Theory, VSEPR Theory, Hybridization, Molecular Geometry
    5.

    Consider the molecule SF4. According to VBT, what is the hybridization of the sulfur atom and the approximate bond angle between the axial and equatorial fluorine atoms?

    A

    sp3, 109.5°

    B

    sp3d, slightly less than 90°

    C

    sp3d2, 90°

    D

    dsp3, 120°

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Valence Bond Theory
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Valence Bond Theory, VSEPR Theory, Hybridization, Molecular Geometry
    6.

    Which of the following offers the best explanation for the square planar geometry of XeF4 based on Valence Bond Theory?

    A

    Xe undergoes sp3 hybridization, with the two lone pairs occupying opposite corners of a tetrahedron.

    B

    Xe undergoes sp3d hybridization, with the two lone pairs occupying equatorial positions.

    C

    Xe undergoes sp3d2 hybridization, with the two lone pairs occupying axial positions to minimize repulsion, leading to a square planar arrangement of the four Xe-F bonds.

    D

    Xe undergoes dsp2 hybridization, similar to transition metal complexes.

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Valence Bond Theory
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Valence Bond Theory, VSEPR Theory, Hybridization, Molecular Geometry, Noble Gas Compounds
    7.

    A molecule with the general formula AB4AB_4 exhibits a see-saw geometry. What is the hybridisation of the central atom 'A' and the approximate bond angle between the axial and equatorial bonds?

    A

    sp3sp^3, 109.5°

    B

    sp3dsp^3d, 90°

    C

    sp3d2sp^3d^2, 90°

    D

    sp3dsp^3d, slightly less than 90°

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Hybridisation
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1.25 mins
    🔄Ncert Concepts :Hybridisation, VSEPR theory, Molecular geometry
    8.

    What is the hybridisation of the central atom and the molecular geometry of XeF4XeF_4?

    A

    sp3dsp^3d, trigonal bipyramidal

    B

    sp3d2sp^3d^2, octahedral

    C

    sp3d2sp^3d^2, square planar

    D

    sp3sp^3, tetrahedral

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Hybridisation
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1.25 mins
    🔄Ncert Concepts :Hybridisation, Noble gas compounds, VSEPR theory
    9.

    In the molecule HNO3HNO_3, what is the formal charge on the nitrogen atom?

    A

    +1

    B

    0

    C

    -1

    D

    -2

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Formal Charge
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1.5 mins
    🔄Ncert Concepts :Formal Charge, Lewis Structures, VSEPR Theory
    10.

    Which of the following molecules exhibits the greatest deviation from ideal bond angles predicted by VSEPR theory due to lone pair-lone pair repulsion?

    A

    SF4_4

    B

    BrF5_5

    C

    ClF3_3

    D

    XeF2_2

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Vsepr Theory
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :VSEPR theory, lone pair repulsion, molecular geometry

    Showing 1 to 10 of 380 entries

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