Acids & Bases

Question 1

What is the Ph Scale?

Answer 1

A logarithmic scale from 1 to 14 that defines the strength of acids and bases

Question 2

List the definitions of an acid

Answer 2

Arrhenius - An acid increases the H+ concentration in water

Bronstead Lowry - An acid is a proton donor

Lewis - An acid is an electron pair acceptor

Question 3

List the definitions of a base

Answer 3

Arrhenius - A base increases the OH- concentration in water

Bronstead Lowry - A base is a proton acceptor

Lewis - A base is an electron pair doner

Question 4

Acids that are not in equilibrium I.e. they completely dissociate in water are what

Answer 4

Strong Acids

Question 5

Alkaline Earth Metals dissociate from OH in water to form what?

Answer 5

Strong Bases (The clue is in the name ALKALINE Earth)

Question 6

What is the term for a molecule or ion that can operate as an acid or a base?

Answer 6

Amphoteric

Question 7

Whats the formula for equilibrium constant?

Answer 7

Concentration of products
Ka = ————————————
Concentration of reactants

Question 8

pH + pOH = ?

Answer 8

14

Question 9

pOH = ?

Answer 9

-Log concentration of [OH-] Ions

Question 10

pH = ?

Answer 10

-Log concentration of [H+] Ions

Question 11

What is a Nucleophile?

Answer 11

A nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in relation to a reaction.

Question 12

Polar solvents are better at dissolving what?

Answer 12

Ions