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Introduction To Group 2 Elements Free Doubts and Solutions

CBSE - XI Science - Chemistry - The s-Block Elements

Give the name of rarest alkaline earth metal found in igneous rocks.

Asked by Topperlearning User 28th June 2016, 2:05 PM
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CBSE - XI Science - Chemistry - The s-Block Elements

why BeCO3 is thermally unstable while BaCO3 is more stable?

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CBSE - XI Science - Chemistry - The s-Block Elements

All the members of family exhibit +2 oxidation states in their compounds and form divalent cations. This appears to be rather unacceptable. Why?

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CBSE - XI Science - Chemistry - The s-Block Elements

Why do magnesium and berylium do not impart characteristic colour to oxidising flame
 

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CBSE - XI Science - Chemistry - The s-Block Elements

MgCl2 and CaCl2 exist as MgCl2.6H2O and CaCl2· 6H2O while NaCl and KCl do not form such hydrates. Why?

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CBSE - XI Science - Chemistry - The s-Block Elements

Explain the following (i) Alkaline earth metals are weaker reducing agent than alkali earth metals. (ii) Alkaline earth metals have higher melting point than alkali earth metals.

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CBSE - XI Science - Chemistry - The s-Block Elements

Write down the electronic configuration of Ba.

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CBSE - XI Science - Chemistry - The s-Block Elements

Which element of group 2 is not known as alkaline earth metal?

Asked by Topperlearning User 12th August 2014, 12:48 PM
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CBSE - XI Science - Chemistry - The s-Block Elements

How will you obtain: (i) BeCl2 from BeO (ii) BeH2 from BeCl2 Give reactions only.

Asked by Topperlearning User 12th August 2014, 10:24 AM
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CBSE - XI Science - Chemistry - The s-Block Elements

Beryllium and magnesium do not give color to flame whereas other alkaline earth metals do so. Why?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Chemistry - The s-Block Elements

Why the Mg and Be reacts with air only in powdered state?

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CBSE - XI Science - Chemistry - The s-Block Elements

Why the second ionization enthalpies of alkaline earth metals are lower than alkali metals?

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CBSE - XI Science - Chemistry - The s-Block Elements

Why the group 2 elements are called alkaline earth metals?

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