1.

    Which of the following isotopic combinations of dihydrogen exhibits the largest rotational constant?

    A

    H₂

    B

    HD

    C

    D₂

    D

    T₂

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Hydrogen, Spectroscopy, Physical Chemistry

    Related Questions

    1.

    Which of the following statements is false regarding saline hydrides?

    A

    They are ionic compounds

    B

    They are formed by transition metals

    C

    They are strong reducing agents

    D

    They react with water to liberate hydrogen gas

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :saline hydrides, ionic compounds, electrical conductivity, chemical reactions, reducing agents, covalent bonding

    2.

    Hydrogen may be prepared by heating a solution of caustic soda with:

    A

    MgMg

    B

    ZnZn

    C

    FeFe

    D

    AgAg

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Reaction of metals with bases, Hydrogen production, Chemical reactivity

    3.

    The rate of diffusion of hydrogen gas is approximately how many times faster than that of oxygen gas under identical conditions?

    A

    16

    B

    8

    C

    4

    D

    2

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Hydrogen, Gaseous State

    4.

    In Bosch’s process which gas is utilised for the production of hydrogen gas?

    A

    Producer gas

    B

    Water gas

    C

    Coal gas

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Bosch process, hydrogen production, industrial gases

    5.

    Which is polymeric hydride

    A

    CaH2Ca{H_2}

    B

    MgH2Mg{H_2}

    C

    BaH2Ba{H_2}

    D

    SrH2Sr{H_2}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Polymeric Hydrides, Group 2 Hydrides, Structure of Inorganic Compounds

    6.

    The most reactive isotope of H is:

    A

    1H1_1{{\rm{H}}^1}

    B

    1H2_1{{\rm{H}}^2}

    C

    1H3_1{{\rm{H}}^3}

    D

    All the same reactivity

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Isotopes, Chemical Reactivity, Atomic Structure

    7.

    Hydrogen loses its electron to form H+{{\rm{H}}^ + } ion. In this respect it resembles to:

    A

    Transition metals

    B

    Alkali metals

    C

    Halogens

    D

    Noble gases

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :ionization, electronic configuration, periodic table trends

    8.

    Radioactive isotope of hydrogen is

    A

    Tritium

    B

    Deuterium

    C

    Para hydrogen

    D

    Ortho hydrogen

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Isotopes, Radioactivity, Hydrogen Isotopes

    9.

    Hydrogen does not combine with

    A

    Helium

    B

    Bismuth

    C

    Antimony

    D

    Sodium

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Chemical reactivity, Noble gases, Hydrogen bonding

    10.

    Hydrogen reacts with oxygen to form water. Which isotope of hydrogen would produce water with the highest molar mass?

    A

    Protium

    B

    Deuterium

    C

    Tritium

    D

    All isotopes produce water with the same molar mass

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Hydrogen
    🎯Topic:Hydrogen
    PYQ YEAR: 2016
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :isotopes, hydrogen, water, molar mass

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