how does carbondioxide react with hydroxyl to form carbonic ion.?

8 ⤊

how does carbondioxide react with hydroxyl to form carbonic ion.?

2007-08-12 14:55:22 · 2 answers · asked by herliati2004 1 in Science & Mathematics ➔ Chemistry

2 answers

First, the gas is carbon dioxide. Next, the reaction is a two step reaction. First, H+ reacts to form
H-O-C=O+. This reacts with OH- to form H2CO3. This, CARBONIC ACID, is a weak acid. If the pH is raised to about 12 or so, the carbonate ion will predominate in solution.

2007-08-12 17:51:32 · answer #1 · answered by cattbarf 7 · 0⤊ 6⤋

This is actually a two step prpcess:

H2O + CO2 --> H2CO3

H2CO3 + 2 OH- --> (CO3)-2 + 2 H2O

2007-08-12 22:29:48 · answer #2 · answered by Richard 7 · 8⤊ 0⤋