1.

    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 H2  {{\rm{H}}_2}\; over CuCl2{\rm{CuC}}{{\rm{l}}_2}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Redox reactions, Copper chemistry, Chemical reactions

    Related Questions

    1.

    Which one of the following exist in the oxidation state other than +3?

    A

    B

    B

    Al

    C

    Ce

    D

    Ga

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :oxidation states, periodic table trends, lanthanides

    2.

    The oxide of a transition metal in its highest oxidation state is extMO3ext{MO}_3. This oxide is most likely to be:

    A

    MnO3

    B

    CrO3

    C

    FeO3

    D

    TiO3

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    PYQ YEAR: 2023
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :d-block elements, transition metal oxides, oxidation states

    3.

    ‘Mercury’ tree can be prepared:

    A

    By mixing up mercuric thiocyanate and gum

    B

    By adding Nessler’s reagent to a ammonium salt solution

    C

    By pouring little mercury into AgNO3{\rm{AgN}}{{\rm{O}}_3} solution

    D

    By heating mercuric chloride

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Chemical Reactions, Precipitation Reactions, Mercury Chemistry, Silver Chemistry

    4.

    Cinnabar is an ore of:

    A

    Lead

    B

    Zinc

    C

    Silver

    D

    Mercury

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Mineralogy, Ore, Chemical Elements

    5.

    Oxidation state of Hg in amalgam is:

    A

    Zero

    B

    One

    C

    Two

    D

    Three

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Oxidation state, Amalgam

    6.

    If a pure-breeding tall pea plant (TT) is crossed with a pure-breeding dwarf pea plant (tt), what percentage of the F2 generation will be dwarf?

    A

    0%

    B

    25%

    C

    50%

    D

    75%

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    PYQ YEAR: 2022
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Mendelian Inheritance, Monohybrid Cross, Genotype, Phenotype

    7.

    Percentage of nickel in nickel steel is:

    A

    1.5%1.5\%

    B

    3.5%3.5\%

    C

    6.5%6.5\%

    D

    8.5%8.5\%

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Material Science, Composition of Alloys

    8.

    Cu2+{\rm{C}}{{\rm{u}}^{2 + }} ions would be reduced to cuprous ion if their solutions are mixed with an aqueous:

    A

    KI solution

    B

    KCl solution

    C

    K2CO3{{\rm{K}}_2}{\rm{C}}{{\rm{O}}_3} solution

    D

    K2SO4{{\rm{K}}_2}{\rm{S}}{{\rm{O}}_4} solution

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Reduction potential, Redox reactions, Ionic compounds

    9.

    In the first transition series, the differentiating electron enters:

    A

    5dd-orbital

    B

    4dd-orbital

    C

    3dd-orbital

    D

    2dd-orbital

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :electronic configuration, transition metals, d-orbitals

    10.

    In the chemical reaction;

    Ag2O+H2O+2e−{\rm{A}}{{\rm{g}}_2}{\rm{O}} + {{\rm{H}}_2}{\rm{O}} + 2{e^ - }⟶2Ag+2OH−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
    📚 Subject:Chemistry
    📑 Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :oxidation, reduction, redox reaction, oxidation number

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