Acids & Bases

A binary acid contains 

•  two hydrogen atoms. 
•  hydrogen and one other element. 
• hydrogen and two other elements. 
• hydrogen and three other elements.

Which acid is produced in the stomach?    

• hydrochloric acid
• phosphoric acid
• nitric acid
• sulfuric acid

Which acid is found in vinegar?  

• acetic acid
• nitric acid
• phosphoric acid
• hydrochloric acid

Which of the following did Arrhenius theorize?  

• An acid increases the concentration of H+ ions in solution. 
•  A base increases the concentration of OH- ions in solution.
• Acids and bases contain nonpolar molecules.
• Because acids and bases carry electric current, they must produce ions in solution. 

Which of the following is a weak base?    

• NH₃
• NaOH
• KOH
• Ba(OH)₂

Many organic compounds, such as codeine, that contain nitrogen are 

• strong bases.
•  weak bases.
• strong acids.
•  weak acids

Which of the following is a triprotic acid?    

• H₂SO₄
• HCl
• CH₃COOH
• H₃PO₄

In the equation HCl(g) + H₂O(l) --> H₃O⁺(aq) + Cl^–(aq), which species is a Brønsted-Lowry acid? 

• HCl
• H₂O
• Cl^–
• None of these

A Lewis acid is

• an electron-pair acceptor.
• a proton acceptor.
• an electron-pair donor.
• a proton donor.

A Lewis base is a(n)

• producer of OH^– ions.
• electron-pair donor.
• proton acceptor.
• electron-pair acceptor.