. Aqueous solution of borax is

Best Answer

Explanation:

Borax (Na[ B₄O₅(OH)₄].8H₂O) is a salt of boric acid (H₃BO₃) and sodium hydroxide (NaHO) base.

Borax, also called sodium borate, sodium tetraborate or disodium tetraborate is basically a salt of weak acid and a strong base.

Borax, when dissolved in water, ionizes and hydrolysis of borate ion formed gives HO^- and boric acid.

Since boric acid is weak acid and sodium hydroxide is strong, the aqueous solution is alkaline in nature.

Final Answer:

The correct answer is C: basic