Conjugate acid + base pairs

Created by

Asha DuPont

Cards (69)

How do you form a conjugate acid from a base?
Add a proton (H+ ion) to the base
How do you form a conjugate base from an acid?
Remove a proton (H+ ion) from the acid
How do NH3 and NH4+ relate in terms of Bronsted-Lowry theory?
NH3 accepts a proton, becoming NH4+
What is the reaction between hydrochloric acid and ammonia?
Reaction: $HCl +$ $NH3 \rightarrow NH4^+$ $+$ $Cl^-$
HCl donates a proton to become Cl-.
NH3 accepts a proton to become NH4+.
HCl and Cl- are a conjugate pair.
NH3 and NH4+ are another conjugate pair.
What is a conjugate acid?
The species formed when a base accepts a proton
What are the steps to identify conjugate acid-base pairs?
Define conjugate acid-base pairs.
Identify conjugate acids formed from bases.
Identify conjugate bases formed from acids.
Practice identifying conjugate pairs in reactions.
What is a conjugate base?
The species formed when an acid donates a proton
In the reaction $HCl +$ $NH3 \rightarrow NH4^ +$ $+$ $Cl^ -$ , what role does NH3 play? 
NH3 accepts a proton
What is a conjugate acid-base pair?
An acid and its conjugate base
A base and its conjugate acid
What do Bronsted-Lowry acids do?
Donate protons (H+)
In the reaction $H_{2}SO_{4} +$ $H_{2}O \rightarrow H_{3}O^ +$ $+$ $HSO_{4}^ -$ , what does H2O become? 
H3O+ after accepting a proton
In the reaction $H_{2}SO_{4} +$ $H_{2}O \rightarrow H_{3}O^ +$ $+$ $HSO_{4}^ -$ , what does H2SO4 become? 
HSO4- after donating a proton
What do bases do according to the Bronsted-Lowry theory?
Bases accept protons
In the reaction $HCl +$ $NH3 \rightarrow NH4^ +$ $+$ $Cl^ -$ , what role does HCl play? 
HCl donates a proton
What are conjugate acid-base pairs?
Acids and bases that transform into each other
What happens when water (H₂O) attaches a proton block?
H₂O (water toy) + proton block ➕
Becomes H₃O⁺ (hydronium toy)
What do Bronsted-Lowry bases do?
Accept protons (H+)
How do you identify conjugate acid-base pairs?
Define conjugate acid-base pairs as differing by one proton.
An acid donates a proton to become its conjugate base.
A base accepts a proton to become its conjugate acid.
What is the conjugate acid of ammonia (NH₃)?
Ammonium (NH₄⁺)
Why is understanding the Bronsted-Lowry theory important?
Essential for identifying conjugate acid-base pairs
Helps in understanding acid-base reactions
Fundamental concept in chemistry
What do bases do in the context of conjugate acid-base pairs?
They accept a proton
What is the relationship between acids and bases in the Bronsted-Lowry theory?
Acids are proton donors.
Bases are proton acceptors.
What is the conjugate acid of water (H₂O)?
Hydronium (H₃O⁺)
What are the formulas for nitric acid and its conjugate base?
Nitric acid formula: HNO3
Conjugate base formula: NO3-
How do acids behave in the context of conjugate acid-base pairs?
They give away a proton
Why is understanding the Bronsted-Lowry definition important?
It helps identify conjugate acid-base pairs
What is the conjugate acid of hydroxide (OH⁻)?
Water (H₂O)
What happens when ammonia (NH₃) attaches a proton block?
NH₃ (ammonia toy) + proton block ➕
Becomes NH₄⁺ (ammonium toy)
What happens when a base accepts a proton?
It becomes its conjugate acid
What do acids do according to the Bronsted-Lowry theory?
Acids donate protons
What is the chemical formula for ammonium?
NH₄⁺
What are the formulas for the hydronium ion and its conjugate base?
Hydronium ion formula: H3O+
Conjugate base formula: H2O
How do acids and bases relate to each other in conjugate pairs?
Acids give away protons
Bases accept protons
They transform into each other
They are best friends in chemistry
What is the formula for the conjugate base of perchloric acid?
ClO4-
What does the term "proton block" refer to in this context?
A proton that a base attaches to become an acid
What analogy is used to describe bases and conjugate acids?
Bases are toys missing a block
What are the formulas for phosphoric acid and its conjugate base?
Phosphoric acid formula: H3PO4
Conjugate base formula: H2PO4-
What happens to HCl when it donates a proton in the reaction $HCl(aq) +$ $H_{2}O(l) \rightarrow H_{3}O^{ + }(aq) +$ $Cl^{ - }(aq)$ ? 
It becomes its conjugate base Cl-
What does it mean when a base finds its missing block?
It transforms into its conjugate acid
What is the formula for the conjugate base of sulfuric acid?
HSO4-