Question

When $C{O}_2$ is passed through water which of the following species will be present in water?

• A.
• B.
• C.
• D.

Answer 1

The correct option is B

$H_{2}O+C{O}_2$ $\rightleftharpoons$ $H^{+}+HC{O}_3^{-}$

$HC{O}_3^{-}$ $\rightleftharpoons$ $H^{+}+C{O}_3^{2-}$