pH Comparison Jeopardy!

Weak Bases

100

A base that, upon dissolution in water, does not dissociate completely.

What is a weak base?

200

This extremely common weak base is used in many things such as wastewater treatment, leather, rubber, paper, food and beverage industries.

What is ammonia (NH₃)?

300

The formula for pH of a base is this.

What is pOH = -log[OH^-]?

400

This substance is the conjugate base in the following reaction: 

NH₃ + H₂O ⇌ NH₄⁺ + OH^-

What is Hydroxide (OH^-)?

500

This value determines the strength of the base. The smaller the value, the weaker the base.

What is base dissociation constant (K_b)?

Strong Bases

100

If a cation is soluble is water, it can always form this.

What is a strong base?

200

This type of base is soluble in water.

What is an Alkali?

300

All strong bases contain this diatomic anion.

What is Hydroxide (OH-)?

400

This extremely high pH strong base is usually found under your sink at home.

What is drain cleaner (sodium hydroxide)?

500

Almost all of the strong bases makes up this common household item.

What is soap?

Weak Acids

100

An acid that does NOT dissolve completely into ions.

What is a weak acid?

200

This weak acid makes candy sour.

What is citric acid?

300

The formula of pH for an acid is this.

what is pH= -log[H⁺]? 

400

This type of substance donates a proton (H+ ion) to the other compound in a reaction.

What is a Bronsted-Lowry acid?

500

This substance is the conjugate base of acetic acid.

What is acetate?

Strong Acids

100

An acid that dissociates 100% into ions in a chemical reaction.

What is a strong acid?

200

Presence of this atom causes a low pH number.

What is hydrogen (H+)?

300

There is only this many known strong acids.

what is seven?

400

This type acid has an acidity greater than that of 100% pure sulfuric acid.

What is a Superacid? 

500

Used to determine acidity of water auto-ionization, this is the abbreviation and value for the ionization constant of water.

What is K_w = 1 x 10^-14?

Science of pH

100

Numbered 0-14, used to compare pH levels of certain substances to each other.

What is the pH scale?

200

This is how pH is calculated.

What is the concentration of protons in a solution?

300

This substance can be considered a weak acid and weak base at the same time.

What is water (H₂O)?

400

This reaction is when an acid and a base react to form water and a salt and involves the combination of H+ ions and OH- ions to generate water.

What is a Neutralization reaction?

500

The pH scale uses this kind of scaling to compare pH levels.

What is a logarithmic scale?