1.

    In general, the transition elements exhibit their highest oxidation states in their compounds with elements like:

    A

    C

    B

    S

    C

    S and P

    D

    F and O

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Transition Metals, Oxidation States, Electronegativity

    Related Questions

    1.

    The 3d3d-transition series contains elements from atomic number:

    A

    22 to 30

    B

    21 to 30

    C

    21 to 31

    D

    21 to 29

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :3d transition metals, atomic number, periodic table

    2.

    Ferrous sulphate on heating gives:

    A

    SO3{\rm{S}}{{\rm{O}}_3}

    B

    SO2{\rm{S}}{{\rm{O}}_2}

    C

    Fe2O3{\rm{F}}{{\rm{e}}_2}{{\rm{O}}_3}

    D

    All of these

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Thermal decomposition, Chemical reactions, Iron chemistry, Sulphur oxides

    3.

    The spin only magnetic moment of Mn4+{\rm{M}}{{\rm{n}}^{4 + }} ion is nearly

    A

    3 BM

    B

    6 BM

    C

    4 BM

    D

    5 BM

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Electronic configuration, Hund's rule, Spin-only magnetic moment

    4.

    The process used in obtaining metallic silver from argentite is:

    A

    Fused mixture of Ag2S{\rm{A}}{{\rm{g}}_2}{\rm{S}} and KCl is electrolysed

    B

    Ag2S{\rm{A}}{{\rm{g}}_2}{\rm{S}} is reduced with CO

    C

    Ag2S{\rm{A}}{{\rm{g}}_2}{\rm{S}} is roasted to Ag2O{\rm{A}}{{\rm{g}}_2}{\rm{O}} which is reduced with C

    D

    Treating with NaCN solution followed by metal displacement with zinc

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Metallurgy, Extraction of Metals, Chemical Reactions

    5.

    Which of the following is not a characteristic of transition elements?

    A

    Variable oxidation states

    B

    Formation of coloured compounds

    C

    Formation of interstitial compounds

    D

    Natural radioactivity

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Transition elements, Properties of transition metals, Oxidation states, Coloured compounds, Interstitial compounds, Radioactivity

    6.

    Cuprous chloride is obtained from cupric chloride:

    A

    By heating cupric chloride with chlorine

    B

    By the electrolysis of cupric chloride containing HCl

    C

    By heating cupric chloride with conc. HCl and copper turnings

    D

    By passing H2β€…β€Š{{\rm{H}}_2}\; over CuCl2{\rm{CuC}}{{\rm{l}}_2}

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Redox reactions, Copper chemistry, Chemical reactions

    7.

    When oxyhaemoglobin changes to deoxyhaemoglobin, Fe2+{\rm{F}}{{\rm{e}}^{2 + }} ion changes from

    A

    Diamagnetic to paramagnetic

    B

    Paramagnetic to diamagnetic

    C

    Diamagnetic to ferromagnetic

    D

    Paramagnetic to ferromagnetic

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :magnetism, electronic configuration, haemoglobin

    8.

    Which is known as purple of Cassius?

    A

    Colloidal silver solution

    B

    Colloidal gold solution

    C

    Aqueous solution of soap

    D

    As2S3{\rm{A}}{{\rm{s}}_2}{{\rm{S}}_3} colloidal solution

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Colloids, Chemical Nomenclature

    9.

    In the chemical reaction;

    Ag2O+H2O+2eβˆ’{\rm{A}}{{\rm{g}}_2}{\rm{O}} + {{\rm{H}}_2}{\rm{O}} + 2{e^ - }⟢2Ag+2OHβˆ’2{\rm{Ag}} + 2{\rm{O}}{{\rm{H}}^ - }

    A

    Water is oxidised

    B

    Electrons are reduced

    C

    Silver is oxidised

    D

    Silver is reduced

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :oxidation, reduction, redox reaction, oxidation number

    10.

    Transition metals in their compounds show:

    A

    Ionic bonds

    B

    Covalent bonds

    C

    Ionic and covalent bonds

    D

    Ionic and coordinate bonds

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :chemical bonding, transition metals, ionic bonds, covalent bonds

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