Group 2 Elements: Alkaline Earth Metals

IMPORTANT

Group 2 Elements: Alkaline Earth Metals: Overview

This topic covers concepts such as Alkaline Earth Metals, Reaction of Water with Alkaline Earth Metals, Ionization Enthalpy of Alkaline Earth Metals and Uses of Alkaline Earth Metals.

Important Questions on Group 2 Elements: Alkaline Earth Metals

EASY
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One mole of magnesium nitride on the reaction with an excess of water gives:

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Several blocks of magnesium are fixed to the bottom of a ship to

MEDIUM
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Which alkaline earth metal has the highest ionic radius?

MEDIUM
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Explain the variation of ionic radii of alkaline earth metals.

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The reducing power of alkaline metals is less than those of their corresponding _____ metals.

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Why the alkaline earth metals are strong reducing agents?

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Beryllium has a more negative value(electron gain enthalpy) compared to other alkaline earth metals.

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Beryllium has the highest sublimation enthalpy among the Group-2 elements.

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Identify the Group-2 element which has the highest sublimation enthalpy.

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Write the variation of enthalpy of sublimation in the Group-2 elements.

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Which alkaline earth metal is present in chlorophyll?

MEDIUM
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Write the uses of alkaline earth metals.

 

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Ca bums with N2 to produce a white powder which dissolves in water to give a gas 'X'' and a solution with pH>7. The solution on exposure to air produces a thin solid layer of 'Y' on the surface. The compounds 'X' and 'Y' are ______

HARD
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Complete the following reaction:

Mg + C2H2  ?

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Which of the following elements reacts with alcohols to give alkoxides?

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The reaction of alkaline earth metals with alcohols is an example of which of the following type of reactions?

HARD
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Give the reaction of alkaline earth metals with alcohols with an example.

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Explain the variation of standard reduction potential among alkaline earth metal down the group ?

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The atomic and ionic radii of the alkaline earth metals are smaller than those of the corresponding alkali metals in the same periods.

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The melting and boiling points of these metals are higher than the corresponding alkali metals due to