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Amongest the following hydroxides, the o...

Amongest the following hydroxides, the one which has the lowest value of `K` sp at ordinary temperature is:

A

`Mg(OH)_(2)`

B

`Ca(OH)_(2)`

C

`Ba(OH)_(2)`

D

`Be(OH)_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
The solubility increases down the group due to increase in size of the ion and decrease in lattice energy. Lower the solubility, lower is the `K_(sp)`.
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Knowledge Check

  • Amongst the following hydroxides, the one which has the lowest value of K_(sp) at ordinary temperature (about 25^@ C) is

    A
    `Mg (OH)_2`
    B
    `Ca(OH)_2`
    C
    `Ba(OH)_2`
    D
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    C
    `Be(OH)_(2)`
    D
    `Ba(OH)_(2)`

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    A
    `Mg(OH)_(2)`
    B
    `Ca(OH)_(2)`
    C
    `Ba(OH)_(2)`
    D
    `Sr(OH)_(2)`

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