Chemistry Acids and Base Quiz

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When an acid reacts with a base, what compounds are formed?

A salt and water

What is the formula for phosphoric acid?

H₃PO₄

Which of the following is a property of an acid?

Sour taste

What is a property of a base?

Bitter taste

Which hydroxide compound yields the lowest concentration of hydroxide ions in aqueous solution?

Magnesium hydroxide

What is an acid according to Arrhenius?

A substance that ionizes to yield protons in aqueous solution

Which of these is an Arrhenius base?

LiOH

What is transferred between a conjugate acid-base pair?

A proton

In the reaction of aluminum bromide with ionized sodium bromide, which compound is the Lewis acid?

Aluminum bromide

What type of acid is sulfuric acid?

Diprotic

Which compound can act as both a Bronsted-Lowry acid and a Bronsted-Lowry base?

Water

In the reaction CO₃²⁻+HCO₃⁻+OH⁻, the carbonate ion is acting as a(n)

Bronsted-Lowry base

Which of the following reactions illustrates amphoterism?

H₂O+H₂O⇌H₃O⁺+OH⁻

What are the acids in the following equilibrium reaction? CN⁻+H₂O⇌HCN+OH⁻

H₂O, HCN

Which of the following represents a Bronsted-Lowry conjugate acid-base pair?

NH₄⁺ and NH₃

What is the charge on the hydronium ion?

1+

If the hydrogen ion concentration of a solution is 10⁻¹⁰M, is the solution acidic, alkaline, or neutral?

Alkaline

In a neutral solution, the [H⁺] is

Equal to [OH⁻]

What is pH?

The negative logarithm of the hydrogen ion concentration

Which type of solution is one with a pH of 8?

Basic

Which of these solutions is the most basic?

[H⁺]=1×10⁻11M

An indicator is what type of compound?

Weak base or acid

What characterizes a strong acid or base?

Complete ionization in water

How many ionization constants are associated with oxalic acid?

2

Which of the following pairs consists of a weak acid and a strong base?

Acetic acid, sodium hydroxide

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