Answer to Question #147307 in General Chemistry for its me gel

Question

Identify the Brønsted acid and base in the following reaction and give its conjugate pair.
1. NH3(aq) + HF(aq) ⇋ NH4+(aq) + F-(aq)
2. HCN(aq) + OH-(aq) ⇋ CN-(aq) + H2O(l)
3. HCO3-(aq) + HCO3-(aq) ⇋ H2CO3(aq) + CO32-(aq)
4. HClO(aq) + CH3NH2(aq) ⇋ CH3NH3+ + ClO-(aq)

Answer 1

1. Bronsted acid : HF

Conjugate base : F^-

Bronsted base : NH₃

Conjugate acid : NH₄⁺

2. Bronsted acid : HCN

Conjugate base : CN^-

Bronsted base : OH^-

conjugate acid : H₂O

3. Bronsted acid : HCO₃^-

Conjugate base: CO₃^2-

Bronsted base: HCO₃^-

conjugate acid : H₂CO₃

4. Bronsted acid: HClO

Conjugate base: ClO^-

Bronsted base: CH₃NH₂

conjugate acid: CH₃NH₃⁺