Conjugate Acid and Base Pairs

Acids have a ______ pH and a _________ pOH

• low, high

• high, low

• An acid will not have a pOH

What is the conjugate base in the following reaction?

• HCO₃^- 
• HCl
•  H₂CO₃ 
• ^Cl-

Tags

NGSS.HS-PS1-2

What is the conjugate acid in the following equation?

• PO₄^3- 
• HNO₃ 
• NO₃^- 
• HPO₄^2-
  

Which of the following correctly identifies an Acid-Base Pair?

• HH₄⁺ , OH^-

• H₂O , OH^-

• CaCO_{3 ,}CaCl₂

• HNO₃ , H₂SO₄

Given the reaction above, which compound is the bronsted-Lowry Acid?

• NH₃

• HCl

• NH₄⁺

• Cl^-

Given the reaction above, which compound is the bronsted-Lowry Conjugate base, if HCl is the acid?

• NH₃

• NH₄⁺

• Cl^-

Given the information from the previous three questions, what is NH4⁺ classified as?

• Acid

• Base

• Conjugate Acid

• Conjugate Base

The conjugate acid of HCO₃^- is ___ and the conjugate base of HCO₃^- is ___.  (remember that H⁺ ion? well, follow it!!)

• H₂CO₃; CO₃^-2
• CO₃^-2; CO₃^-2
• H₂CO₃; H₂O
• H₂O; H₂CO₃

Which reactant in the following equation is a Bronsted acid?

• ammonium
• ammonia
• hydroxide
• water

Which of the following does not describe an Arrhenius or Bronsted Lowry acid or base?

• Produces H+

• Produces OH-

• Donates H+ to another substance

• Donates OH- to another substance