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Q.
pH of aqueous of sodium borate is
AMUAMU 2003
Solution:
Sodium borate $\left( Na _{3} BO _{3}\right)$ is the salt of weak acid and strong base. On hydrolysis sodium borate give $NaOH$ and $H _{3} BO _{3}$.
As $NaOH$ is strong base, it remains ionised upto greater extent. Thus, the solution becomes basic hence, $pH$ of solution is greater than seven, ie, $pH >7$.
