1.

    A metal M forms a chloride with the formula MCl2_2. The equivalent weight of the metal M is 24. What is the molecular weight of its oxide?

    A

    32

    B

    48

    C

    64

    D

    72

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Equivalent Weight, Molecular Weight, Valency

    Related Questions

    1.

    Which contains the same number of molecules as 16 g16\,{\rm{g}} of oxygen?

    A

    16 g O316\,{\rm{g}}\,{{\rm{O}}_3}

    B

    16 g SO216\,{\rm{g}}\,{\rm{S}}{{\rm{O}}_2}

    C

    32 g SO232\,{\rm{g}}\,{\rm{S}}{{\rm{O}}_2}

    D

    All of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :moles, molar mass, Avogadro's number

    2.

    Which has maximum number of atoms ?

    A

    16gofO316{\rm{ }}g{\rm{ }}of{\rm{ }}{O_3}

    B

    44gofCO244{\rm{ }}g{\rm{ }}of{\rm{ }}C{O_2}

    C

    1gofH21g{\rm{ }}of{\rm{ }}{H_2}

    D

    23gofNO223{\rm{ }}g{\rm{ }}of{\rm{ }}N{O_2}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :moles, molar mass, Avogadro's number, number of atoms in a molecule

    3.

    Which among the following has maximum number of atoms among the following?

    A

    22gCO222{\rm{ }}g{\rm{ }}C{O_2}

    B

    16gO316{\rm{ }}g{\rm{ }}{O_3}

    C

    14gN214{\rm{ }}g{\rm{ }}{N_2}

    D

    24 g Mg

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :moles, molar mass, Avogadro's number, number of atoms in a molecule

    4.

    One mole of a gas is defined as:

    A

    6.022 x 10^23 molecules of the gas

    B

    22.4 liters of the gas at STP

    C

    The atomic mass of the gas in grams

    D

    The molecular mass of the gas in kilograms

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Mole concept, STP conditions, Avogadro's number

    5.

    Maximum number of atoms are present in

    A

    12 g of H2

    B

    8 g of He

    C

    44 g of CO2

    D

    48 g of Mg

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :molar mass, moles, Avogadro's number, number of atoms

    6.

    Which contains the same number of molecules as 16 g16\,{\rm{g}} of oxygen?

    A

    16 g O316\,{\rm{g}}\,{{\rm{O}}_3}

    B

    16 g SO216\,{\rm{g}}\,{\rm{S}}{{\rm{O}}_2}

    C

    32 g SO232\,{\rm{g}}\,{\rm{S}}{{\rm{O}}_2}

    D

    All of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :moles, molar mass, Avogadro's number

    7.

    56g of CO contains (NA = Avogadro’s No.)

    A

    NA{N_A} molecules

    B

    0.5 NA0.5\,{N_A} molecules

    C

    4NA4{N_A} molecules

    D

    2NA2{N_A} molecules

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Moles, Molar Mass, Avogadro's Number

    8.

    Which has maximum number of atoms ?

    A

    16gofO316{\rm{ }}g{\rm{ }}of{\rm{ }}{O_3}

    B

    44gofCO244{\rm{ }}g{\rm{ }}of{\rm{ }}C{O_2}

    C

    1gofH21g{\rm{ }}of{\rm{ }}{H_2}

    D

    23gofNO223{\rm{ }}g{\rm{ }}of{\rm{ }}N{O_2}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :molar mass, moles, number of atoms, Avogadro's number

    9.

    Number of K+{{\rm{K}}^ + } ions and mole of K+{{\rm{K}}^ + } ions present in 1 litre of N5KMnO4\frac{N}{5}{\rm{KMn}}{{\rm{O}}_4} acidified solution respectively are :

    A

    6.02imes10226.02 imes 10^{22}, 0.10.1

    B

    2.41imes10222.41 imes 10^{22}, 0.040.04

    C

    1.2imes10231.2 imes 10^{23}, 0.20.2

    D

    2.41imes10212.41 imes 10^{21}, 0.0040.004

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Normality, Molarity, Mole concept, Avogadro's number, Dissociation

    10.

    If mass percentage of sulphur in a biomolecule 0.02% then the number of sulphur atoms present in 16 g of biomolecule is

    A

    3.01imes10203.01 imes {10^{20}}

    B

    6.02imes10196.02 imes {10^{19}}

    C

    6.02imes10216.02 imes {10^{21}}

    D

    3.01imes10223.01 imes {10^{22}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Equivalent Weight
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :mass percentage, moles, Avogadro's number

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