Respuesta :
Answer:
Answers are in the examples of Conjugate Base.
Explanation:
Conjugate Acid is a specie which is formed when a base abstract or picks a proton (H⁺).
Example:
NH₃ + HCl → NH₄⁺ + Cl⁻
In this example Ammonia (NH₃) is a base which after reacting with acid forms the conjugate acid (NH₄⁺).
Conjugate Base is a specie which is formed when an acid looses / donates its proton (H⁺) to a base.
Example:
(a)
B + HNO₃ → BH⁺ + NO₃⁻
In this example HNO₃ (Nitric Acid) is the acid which on reaction with base forms the conjugate base ( NO₃⁻) called nitrate.
(b)
B + H₂SO₄ → BH⁺ + HSO₄⁻
B + HSO₄⁻ → BH⁺ + SO₄⁻
In this example H₂SO₄ (Sulfuric Acid) is the acid which on reaction with base forms the conjugate bases ( HSO₄⁻ and SO₄⁻) respectively.
(c)
B + H₂S → BH⁺ + HS⁻
In this example H₂S (Hydrogen Sulfide) is the acid which on reaction with base forms the conjugate base HS⁻.
(c)
B + HCOOH → BH⁺ + HCOO⁻
In this example HCOOH (Formic Acid) is the acid which on reaction with base forms the conjugate base HCOO⁻ called formate ion.
The conjugate bases of the following acids are as follows:
- HNO2 = NO2-
- H2SO4 = HSO4-
- H2S = HS-
- HCN = CN-
- HCOOH = COOH-
CONJUGATE BASE:
- According to Bronsted-Lowry definition, a conjugate base is formed when a proton is removed from an acid while a conjugate acid is formed when a proton is added to a base.
- An acid is known to donate a proton when dissolved in an aqueous solution, the resulting anion formed is called a conjugate base.
- The conjugate bases formed by the following acids when they lose a proton is as follows:
- HNO2 = NO2-
- H2SO4 = HSO4-
- H2S = HS-
- HCN = CN-
- HCOOH = COOH-
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