Question

Which compounds are acting like Brønsted-Lowry acids in the following acid-base equilibrium? HCO3− + H2O H2CO3 and OH−

Answer 1

water donates a proton in the forward reaction and H2CO3 donates a proton in the reverse

so

C

Answer 2

water donates a proton in the forward reaction and H2C03 donates a proton in the reverse.

The answer on plato is c