NEET Chemistry The S-Block Elements MCQs

    Prepare for NEET Chemistry The S-Block Elements with MCQs & PYQs on NEET.GUIDE. Get free practice, previous year questions, and expert solutions for alkali and alkaline earth metals.

    NEET Questions / Chemistry / The S-Block Elements

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    Alkali Metals
    Alkaline Earth Metals
    1.

    Which alkali metal nitrate upon strong heating produces the metal nitrite and oxygen?

    A

    LiNO3

    B

    NaNO3

    C

    KNO3

    D

    RbNO3

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkali Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Alkali metals, Nitrates, Thermal decomposition
    2.

    Nitrogen dioxide cannot be prepared by heating

    A

    KNO3{\rm{KN}}{{\rm{O}}_3}

    B

    Pb(NO3)2{\rm{Pb}}{\left( {{\rm{N}}{{\rm{O}}_3}} \right)_2}

    C

    Cu(NO3)2{\rm{Cu}}{\left( {{\rm{N}}{{\rm{O}}_3}} \right)_2}

    D

    AgNO3{\rm{AgN}}{{\rm{O}}_3}

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Thermal decomposition, Metal nitrates, Nitrogen dioxide
    3.

    Consider the following statements

    (a) Density of sodium is more than potassium.

    (b) Potassium carbonate is manufactured by Solvay process

    (c) LiNO3LiN{O_3} evolves NO2N{O_2} gas on heating but NaNO3NaN{O_3} does not

    The correct statement(s) is/are

    A

    (a) only

    B

    (a) and (b) only

    C

    (a) and (c) only

    D

    (a), (b) and (c)

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Density trends in alkali metals, Solvay process, Thermal decomposition of nitrates
    4.

    Which one of the following statements is true for all the alkali metals?

    A

    Their nitrates decompose on heating to give NO2andO2.{\rm{N}}{{\rm{O}}_2}{\rm{and}}{{\rm{O}}_2}{\rm{.}}

    B

    Their carbonates decompose on heating to give CO2{\rm{C}}{{\rm{O}}_2} and the metal oxide.

    C

    They react with oxygen to give mainly the oxide M2O{{\rm{M}}_2}{\rm{O}}.

    D

    They react with halogens to give the halides MX.MX.

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkali Metals
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Alkali metals, Chemical reactions, Decomposition, Halides, Oxides, Nitrates, Carbonates
    5.

    Which salt on heating does not give brown coloured gas is?

    A

    LiNO3{\rm{LiN}}{{\rm{O}}_3}

    B

    KNO3{\rm{KN}}{{\rm{O}}_3}

    C

    Pb(NO3)2{\rm{Pb}}{\left( {{\rm{N}}{{\rm{O}}_3}} \right)_2}

    D

    AgNO3{\rm{AgN}}{{\rm{O}}_3}

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkali Metals
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Thermal decomposition of nitrates, properties of nitrogen dioxide
    6.

    A substance which gives a brick red flame and breaks down on heating giving oxygen and a brown gas is:

    A

    Calcium carbonate

    B

    Magnesium nitrate

    C

    Magnesium carbonate

    D

    Calcium nitrate

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkaline Earth Metals
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Flame test, Thermal decomposition, Metal nitrates, Metal carbonates
    7.

    NO2{\rm{N}}{{\rm{O}}_2} is obtained by heating:

    A

    CsNO3{\rm{CsN}}{{\rm{O}}_3}

    B

    KNO3{\rm{KN}}{{\rm{O}}_3}

    C

    LiNO3{\rm{LiN}}{{\rm{O}}_3}

    D

    NaNO3{\rm{NaN}}{{\rm{O}}_3}

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkali Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Thermal decomposition of nitrates, Alkali metal nitrates
    8.

    The products obtained on heating LiNO3{\rm{LiN}}{{\rm{O}}_3} will be

    A

    LiNO2+O2{\rm{LiN}}{{\rm{O}}_2} + {{\rm{O}}_2}

    B

    Li2O+NO2+O2{\rm{L}}{{\rm{i}}_2}{\rm{O}} + {\rm{N}}{{\rm{O}}_2} + {{\rm{O}}_2}

    C

    Li3N+O2{\rm{L}}{{\rm{i}}_3}{\rm{N}} + {{\rm{O}}_2}

    D

    Li2O+OH+O2{\rm{L}}{{\rm{i}}_2}{\rm{O}} + {\rm{OH}} + {{\rm{O}}_2}

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkali Metals
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Thermal decomposition, Alkali metal nitrates, Chemical reactions
    9.

    NO2{\rm{N}}{{\rm{O}}_2} is obtained by heating:

    A

    CsNO3{\rm{CsN}}{{\rm{O}}_3}

    B

    KNO3{\rm{KN}}{{\rm{O}}_3}

    C

    LiNO3{\rm{LiN}}{{\rm{O}}_3}

    D

    NaNO3{\rm{NaN}}{{\rm{O}}_3}

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:The S-Block Elements
    🎯Topic:Alkali Metals
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Thermal decomposition of nitrates, Alkali metal nitrates, Periodic trends

    Showing 1 to 9 of 9 entries

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