In aqueous solution the ionization constants for carbonic acid are
$K_1 = 4.2 \times 10^{-7}$ and $K_2 = 4.8 \times 10^{-11}$
Select the correct statement for a saturated $0.034\, M$ solution of the carbonic acid.
In aqueous solution the ionization constants for carbonic acid are
$K_1 = 4.2 \times 10^{-7}$ and $K_2 = 4.8 \times 10^{-11}$
Select the correct statement for a saturated $0.034\, M$ solution of the carbonic acid.
- [AIEEE 2010]
- A
The concentration of $CO_3^{2-}$ is $0.034\, M.$
- B
The concentration of $CO_3^{2-}$ is greater than that of $HCO_3^-.$
- C
The concentrations of $H^+$ and $HCO_3^-$ are approximately equal.
- D
The concentration of $H^+$ is double that of $CO_3^{2-}.$
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