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Mg forms Mg(II) because of :...

Mg forms Mg(II) because of :

A

The oxidation state of Mg is +2

B

Difference between `IP_(1)` and `IP_(2)` is greater than 16.0 eV

C

There are only two electrons in the outermost energy level of Mg

D

Difference between `IP_(1)` and `IP_(2)` is less than 11 eV

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Al^(3+) has low ionic radius than Mg^(2+) because

    A
    `Al^(3+)` has high nuclear charge than `Mg^(2+)`
    B
    `Mg` atom has less no. of neutrons than `Al` atom
    C
    `Mg` and `Al` differ in electronegativity values
    D
    `Al` atom has low `I_(1)` value than `Mg` atom

  • Magnesium forms My^(2+) and not Mg^(+) because

    A
    magnesium(II) carbonate is insoluble in water
    B
    generally higher oxidation states are preferred by metals
    C
    ionic radius of Mg(II) is smaller than of Mg(I)
    D
    hydration energy of divalent magnesium ion is higher.

  • The first ionisation potential of Al is smaller than that of Mg because :

    A
    The atomic size of Al gt Mg.
    B
    The atomic size of Al lt Mg.
    C
    Al has one unpaired electron in 3p-orbital.
    D
    Mg has incompletely filled 3s-orbital.

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    Why does magnesium from Mg^(2+) and not Mg^(+) ?

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