Answer :

Ba(oh)2 (s) → Ba2 (aq) + 2OH (aq).

In water, barium hydroxide completely dissociates to form barium ions and hydroxyl ions. The hydroxyl ions are fully accountable for the solution's basic nature.

Arrhenius bases are chemical compounds that react with water to form hydroxyl ions. As a result, the pH of the resulting solution is greater than 7, but less than 14. (except in the case of unusually strong bases). Strong bases entirely dissociate, whereas weak bases only partially.

Because its clear aqueous solution is guaranteed to be carbonate-free, barium hydroxide tends to form an alkaline solution in water that can be used to titrate weak acids (barium carbonate is insoluble in water).

Energy decreases as one moves down the group lattice due to cation size increases. Because of the difference in lattice energy, Be(OH)2 is insoluble in water while Ba(OH)2 is highly soluble.

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