All Key Terms

Question 1

Acid

Answer 1

A species that releases H+ ions in aqueous solution

Question 2

Acid dissociation constant Ka

Answer 2

The equilibrium constant that shows the extent of dissociation of a weak acid
For weak acid HA , ka = [H+] [A-] / [HA]

Question 3

Acid-base pair

Answer 3

A pair of 2 species that transform into each other by gain or loss of a proton

Question 4

Activation energy

Answer 4

The minimum energy required to start a reaction by the breaking of bonds

Question 5

Actual yield

Answer 5

The amount of product obtained from a reaction

Question 6

Addition polymerisation

Answer 6

Formation of a long molecular chain by repeated addition reactions of many unsaturated alkanes molecules ( monomer) only carbon in the chain)

Question 7

Addition reaction

Answer 7

A reaction in which a reactant is added to an unsaturated molecule to make one saturated molecule

Question 8

Adsorption

Answer 8

The process that occurs when a gas or liquid or solute is held to the surface of a solid

Question 9

Alicyclic

Answer 9

Containing carbon atoms joined together in a ring that is not aromatic

Question 10

Aliphatic

Answer 10

Containing carbon atoms joined together in straight or branched chains

Question 11

Anhydrous

Answer 11

Containing no water molecules

Question 12

Anion

Answer 12

A negatively charged ion with more electrons than protons

Question 13

Aromatic

Answer 13

Containing one or more benzene rings

Question 14

Atom economy

Answer 14

Sum of molar masses of desired product / sum of molar masses of all products