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Compared with alkaline earth metals, the...

Compared with alkaline earth metals, the alkali metals exhibit. : .

A

Smaller ionic radii

B

Higher boiling points

C

Greater hardness

D

Lower ionisation enthalpies

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • Assertion : Alkaline earth metals are harder than alkali metals. Reason : Atomic radii of alkaline earth metals are smaller than the corresponding alkali metals in the same period.

    A
    If both (A) and (R) are correct and (R) is the correct explanation of (A).
    B
    If both (A) and (R) are correct, but (R) is not the correct explanation of (A).
    C
    If (A) is correct, but (R) is incorrect.
    D
    If both (A) and (R) are incorrect.

  • Among the alkali metals, the most abundant metal is

    A
    Na
    B
    K
    C
    Li
    D
    Cs

  • Among the alkali metals, the most abundant metal is

    A
    Na
    B
    K
    C
    Li
    D
    Cs

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    Compare the alkali metals and alkaline earth metals with respect to: Basicity of oxides

    The group 1 metals of the periodic table of elements are collectively called alkali metals. Identify the alkali metal exhibiting anomalous properties. Explain.

    Compare alkali metals and alkaline earth metals with repect to ionisation enthalpy, basicity of oxides and solubility of hydroxides.

    Compare the solubility and thermal stability of the following compounds of the alkali metals with those of alkaline earth metals (a) nitrates (b) carbonates (c) sulphiates:

    Which of the following alkaline earth metal has least melting point?

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