1.

    What effect is noticed on shaking dilute sulphuric acid with a small quantity of anhydrous copper sulphate?

    A

    The white solid dissolves to form a colourless solution

    B

    The white solid dissolves to form a green solution

    C

    The white solid turns blue but does not dissolve

    D

    The white solid dissolves to form a blue solution

    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 reactions, copper sulfate, hydration

    Related Questions

    1.

    The nitrate of which metal leaves metallic globule on heating strongly?

    A

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

    B

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

    C

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

    D

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

    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, Metal nitrates, reactivity series

    2.

    Which of the following pair is coloured in aqueous solution?

    A

    Sc3+

    B

    Zn2+

    C

    Cu2+

    D

    Ti4+

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Transition metals, d-orbital splitting, electronic configuration, color of ions

    3.

    Lightest transition element is:

    A

    Fe

    B

    Sc

    C

    Os

    D

    Co

    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 :Periodic Table, Transition Metals, Atomic Weight

    4.

    Which of the following are dd-block elements but not regarded as transition elements?

    A

    Cu, Ag, Au

    B

    Zn, Cd, Hg

    C

    Fe, Co, Ni

    D

    Ru, Rh, Pd

    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 :d-block elements, transition elements, electronic configuration

    5.

    Zr and Y have about the same radius

    A

    True

    B

    False

    C

    Zr has a much larger radius than Y

    D

    Zr has a slightly smaller radius than expected but still significantly larger than Y

    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 :redox reactions, iron chemistry, ferrous and ferric compounds

    6.

    Addition of K4[Fe(CN)6]{{\rm{K}}_4}\left[ {{\rm{Fe}}{{\left( {{\rm{CN}}} \right)}_6}} \right] solution to FeCl3{\rm{FeC}}{{\rm{l}}_3} solution gives:

    A

    Ferro-ferricyanide

    B

    Ferri – ferrocyanide

    C

    Ferri-ferricyanide

    D

    None of these

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:d- and f-Block Elements
    🎯Topic:Characteristic Properties
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Coordination Chemistry, Complex Ion Formation, Precipitation Reactions

    7.

    Which series of elements have nearly the same atomic radii?

    A

    F, Cl, Br, I

    B

    Na, K, Rb, Cs

    C

    Li, Be, B, C

    D

    Fe, Co, Ni, Cu

    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 :atomic radius, periodic trends

    8.

    A lady’s 18 carat gold wedding ring has become discoloured with some minute drops of mercury from a broken thermometer. Which of the following treatments would restore it to its original condition?

    A

    Washing it carefully with soap and water

    B

    Soaking it overnight in salt water

    C

    Polishing it with silver polish

    D

    Heating it gently in a fume cupboard

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

    9.

    The magnetic moment ΞΌ{\rm{\mu }}, of transition metals is related to the number of unpaired elelctrnos nn as

    A

    ΞΌ=n(n+2)2{\rm{\mu }} = n{\left( {n + 2} \right)^2}

    B

    ΞΌ=n2(n+2){\rm{\mu }} = {n^2}\left( {n + 2} \right)

    C

    ΞΌ=n(n+2){\rm{\mu }} = \frac{n}{{\left( {n + 2} \right)}}

    D

    ΞΌ=n(n+2){\rm{\mu }} = \sqrt {n\left( {n + 2} \right)}

    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 :magnetic moment, unpaired electrons

    10.

    Heteropoly acids are formed by:

    A

    Be

    B

    Fe

    C

    Mo

    D

    Cr

    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 :Heteropoly acids, Transition metals

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