Explain why sodium trioxocarbonate is an alkaline

Sodium triocarbonate (IV) is hydrolyzed in water.

Explanation:

" When sodium carbonate is added to water, it hydrolyses to give sodium bicarbonate and sodium hydroxide (a strong base). As a result, the solution becomes alkaline. ... This is because the liberated metals react with water."

Alkaline: of, relating to, containing, or having the properties of an alkali or alkali metal : basic especially, of a solution (water is a solution).

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