Bicarbonate ion can act as either an acid or a base
CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
Bicarbonate ion can act as either an acid or a base. Consider the reaction in which it behaves as a base:
HCO3−+H2O⇌?+OH−
Which species correctly completes the equation?
(a) CO32−
(b) H2CO3−
(c) H2CO3
(d) H2CO2−