Check Quiz #2

The pH of a solution is 2.0.  What is the [OH^-] concentration?

• 1x10^-12M
• 12 M
• 1x10^-2M
• 2 M

What is the conjugate base in the following reaction?

• HCO₃^- 
• HCl
•  H₂CO₃ 
• ^Cl-

NH₃ + H₂O --> NH₄⁺ + OH^-

What is H₂O in this reaction?

• acid

• base

• conjugate acid

• conjugate base

Only partially dissociates in water to yield H⁺ ions

• Strong acid
• Strong base
• Weak acid
• Weak base

H₂SO₄ is an example of a

• weak acid

• strong acid

• weak base

• strong base

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

Given the equation:

H₂SO₄ + H₂O ↔ H₃O⁺ + HSO₄^{- 1}

What is the conjugate base?

• H₂SO₄

• H₂O

• H₃O⁺

• HSO₄^{- 1}

A neutralization reaction will (almost) always produce...

• water & salt
• water
• salt
• water & carbon