Question

When Borax is dissolved in water

• A. is formed
• B. is formed
• C. and are formed
• D. is formed only

Answer 1

Answer: (C)

and are formed

On dissolving in water an alkaline solution is
$N{a}_2{B}_4{O}_7+H_{2}O\leftrightharpoons 2NaOH+4H_{3}B{O}_3$
Strong base weak acid

$B(OH{)}_3+H_{2}O\to [B(OH{)}_4{]}^{-}+H^{+}$