Conjugate Acids and Bases with pH

Which of the following correctly identifies an acid-base pair?

• HCl, NaOH

• H₂CO₃ , CO₃^2-

• H₃O⁺ , OH^-

• NH₄⁺, NH₃

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

• HH₄⁺ , OH^-

• H₂O , OH^-

• CaCO_{3 ,}CaCl₂

• HNO₃ , H₂SO₄

What is NH4⁺ classified as?

• Acid

• Base

• Conjugate Acid

• Conjugate Base

Which of the following word pairs correctly completes the sentence below? _______ are corrosive substances characterized as having a strong smell, a sour taste, and are able to give up a H⁺ ion.

• Acids

• Amphoteric Compound

• Bases

• Electrolyte

What is the conjugate acid in the following equation?

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

Given the reaction above, which compound is the acid?

• NH₃

• HCl

• NH₄⁺

• Cl^-

Tags

NGSS.HS-PS1-1

Given the reaction above, which compound is the conjugate base?

• NH₃

• NH₄⁺

• Cl^-

What is NH₄⁺ classified as?

• Acid

• Base

• Conjugate Acid

• Conjugate Base

Match the following

• • CH₃CO₂H(aq)+H₂O(l) ⇋ CH₃CO₂⁻(aq) + H₃O⁺(aq)

• conjugate base

• H₂O

• conjugate acid

• CH₃CO₂H

• base

• CH₃CO₂⁻

• acid

• H₃O⁺

Tags

NGSS.HS-PS1-6

NGSS.HS-PS1-7

Match the following

• • CH₃CO₂H(aq)+H₂O(l) ⇋ CH₃CO₂⁻(aq) + H₃O⁺(aq)

• acid

• CH₃CO₂H

• base

• H₂O

• conjugate acid

• CH₃CO₂⁻

• conjugate base

• H₃O⁺

Tags

NGSS.HS-PS1-7