Question

Which of the following species is NOT a proton acceptor in natural waters?

• A. $OH^{-}$
• B. $HCO_3^{-}$
• C. $CO_3^{2-}$
• D. $H_3O^{+}$

Answer 1

Answer: (D)

$H_3O^{+}$

Answer 2

The correct option is (D).