Question

What is the Brønsted-Lowry base in each of the following compounds?

1) CO₃²⁻
2) H₂CO₃
3) HCO₃-
4) OH⁻

Answer 1

In CO₃²⁻, H₂CO₃, HCO₃⁻, and OH⁻, the Brønsted-Lowry bases are HCO₃⁻, HCO₃⁻, H₂O, and H₂O respectively.

Correct option is 1.

Step-by-step explanation:

In the compounds you provided:

1. CO₃²⁻ is the conjugate base of HCO₃⁻, which is the Brønsted-Lowry acid.
2. H₂CO₃ is the Brønsted-Lowry acid and HCO₃⁻ is its conjugate base.
3. HCO₃⁻ is the Brønsted-Lowry base and H₂O is its conjugate acid.
4. OH⁻ is the Brønsted-Lowry base and H₂O is its conjugate acid.