1.

    The correct order of ionic radii is:

    A

    Fe>Fe2+>Fe3+{\rm{Fe}} > F{{\rm{e}}^{2 + }} > F{{\rm{e}}^{3 + }}

    B

    O2−>O−>O+{{\rm{O}}^{2 - }} > {{\rm{O}}^ - } > {{\rm{O}}^ + }

    C

    I−>I>I+{{\rm{I}}^ - } > I > {{\rm{I}}^ + }

    D

    All of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :ionic radii, effective nuclear charge, electron shielding

    Related Questions

    1.

    The correct order according to size is

    A

    O>O−>O2−O > {O^ - } > {O^{2 - }}

    B

    O−>O2−>O{O^ - } > {O^{2 - }} > O

    C

    O2−>O−>O{O^{2 - }} > {O^ - } > O

    D

    O>O2−>O−O > {O^{2 - }} > {O^ - }

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :ionic radius, electron repulsion, effective nuclear charge

    2.

    The correct order of ionic radii is

    A

    O > {O^ - } > {O^{2 - }}

    B

    A{l^ + } > A{l^{2 + }} > A{l^{3 + }}

    C

    {S^{2 - }} > {K^ + } > C{l^ - }

    D

    M{g^{2 + }} > N{a^ + } > {N^{3 - }}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :ionic radii, effective nuclear charge, electron repulsion

    3.

    The correct order of ionic radii is:

    A

    Fe>Fe2+>Fe3+{\rm{Fe}} > F{{\rm{e}}^{2 + }} > F{{\rm{e}}^{3 + }}

    B

    O2−>O−>O+{{\rm{O}}^{2 - }} > {{\rm{O}}^ - } > {{\rm{O}}^ + }

    C

    I−>I>I+{{\rm{I}}^ - } > I > {{\rm{I}}^ + }

    D

    All of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :ionic radii, effective nuclear charge, electron-electron repulsion

    4.

    Among the alkali metals (Group 1), which element would have the smallest atomic radius?

    A

    Lithium (Li)

    B

    Sodium (Na)

    C

    Potassium (K)

    D

    Rubidium (Rb)

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Atomic Radius, Periodic Trends

    5.

    Which statement is correct?

    A

    X+{X^ + } ion is larger than X−{X^ - } ion

    B

    X−X^- ion is larger in size than XX atom

    C

    X+{X^ + } and X−{X^ - } have the same size

    D

    X+{X^ + } ion is larger in size than XX atom

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :atomic size, ionic size, cation, anion, electron configuration

    6.

    The smallest among the following ions is

    A

    Na+{\rm{N}}{{\rm{a}}^ + }

    B

    Mg2+{\rm{M}}{{\rm{g}}^{2 + }}

    C

    Ba2+{\rm{B}}{{\rm{a}}^{2 + }}

    D

    Al3+{\rm{A}}{{\rm{l}}^{3 + }}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :ionic radius, effective nuclear charge, isoelectronic species

    7.

    The electronic configuration of transition elements is exhibited by

    A

    (n−1)d1−10,  ns2\left( {n - 1} \right){d^{1 - 10}},\;n{s^2}

    B

    ns2(n−1)d10n{s^2}\left( {n - 1} \right){d^{10}}

    C

    ns1n{s^1}

    D

    ns2,  np5n{s^2},\;n{p^5}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :electronic configuration, transition elements, d-block elements

    8.

    The correct order of ionic radii is

    A

    O > {O^ - } > {O^{2 - }}

    B

    A{l^ + } > A{l^{2 + }} > A{l^{3 + }}

    C

    {S^{2 - }} > {K^ + } > C{l^ - }

    D

    M{g^{2 + }} > N{a^ + } > {N^{3 - }}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :ionic radii, effective nuclear charge, electron repulsion

    9.

    Which factor has the LEAST significant influence on the atomic radius of an element?

    A

    The effective nuclear charge

    B

    The number of electron shells

    C

    The number of neutrons in the nucleus

    D

    The shielding effect of inner electrons

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Atomic Radius, Nuclear Charge, Shielding Effect

    10.

    Na+,Mg2+,Al3+,Si4+{\rm{N}}{{\rm{a}}^ + },{\rm{M}}{{\rm{g}}^{2 + }},{\rm{A}}{{\rm{l}}^{3 + }},{\rm{S}}{{\rm{i}}^{4 + }} are isoelectronics. Their ionic size follows the order:

    A

    Na+<Mg2+<Al3+<Si4+{\rm{N}}{{\rm{a}}^ + } < M{{\rm{g}}^{2 + }} < A{{\rm{l}}^{3 + }} < S{{\rm{i}}^{4 + }}

    B

    Na+>Mg2+<Al3+<Si4+{\rm{N}}{{\rm{a}}^ + } > M{{\rm{g}}^{2 + }} < A{{\rm{l}}^{3 + }} < S{{\rm{i}}^{4 + }}

    C

    Na+⟨Mg2+⟩Al3+>Si4+{\rm{N}}{{\rm{a}}^ + }\left\langle {M{{\rm{g}}^{2 + }}} \right\rangle A{{\rm{l}}^{3 + }} > S{{\rm{i}}^{4 + }}

    D

    Na+>Mg2+>Al3+>Si4+{\rm{N}}{{\rm{a}}^ + } > M{{\rm{g}}^{2 + }} > A{{\rm{l}}^{3 + }} > S{{\rm{i}}^{4 + }}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Atomic Radius
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :isoelectronic species, ionic size, effective nuclear charge

    company logo

    NEET Subjects

    Our Bots

    Company