A solution of sodium borate has a $pH$ of approximately
A solution of sodium borate has a $pH$ of approximately
- A
$< 7$
- B
$> 7$
- C
$= 7$
- D
Between $ 4$ to $5$
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. . . . . (Given that the value of solubility product of $A B \left( K _{ sp }\right)=2 \times 10^{-10}$ and the value of ionization constant of $H B \left( K _{ a }\right)=1 \times 10^{-8}$ )
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. . . . . (Given that the value of solubility product of $A B \left( K _{ sp }\right)=2 \times 10^{-10}$ and the value of ionization constant of $H B \left( K _{ a }\right)=1 \times 10^{-8}$ )
- [IIT 2018]
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