ACIDS AND BASES

Question 1

These are substances that had a sour taste were corrosive and reacted with substance called bases

Answer 1

Acids

Question 2

These are substances that had a bitter taste made skin slippery on contact and reacted with acids

Answer 2

Bases

Question 3

Under Arrhenius theory it ionizes to form hydrogen ions in aqueous solution

Answer 3

Arrhenius acids

Question 4

Under arrhenius theory if ionizes to form hydroxide ions in aqueous solution

Answer 4

Arrhenius base

Question 5

A base which ionizes almost completely in solution is said to be__ whereas one which has a small degree of ionization is a__

Answer 5

Strong base
Weak base

Question 6

In this theory and acid ionizes in water much as an ionic substance and equilibrium constant for the reaction is called acid ionization constant

Answer 6

Arrhenius theory

Question 7

It is the reaction of an acid and a base to produce water and a salt

Answer 7

Neutralization

Question 8

It is the proton donor to the lone pair due to electronegativity

Answer 8

Bronsted lowry acid

Question 9

It is the proton acceptor from the acid under bronsted lowry theory

Answer 9

Bronsted lowry base

Question 10

The product resulting from the addition of a proton to the base

Answer 10

Conjugate acid

Question 11

The product formed after the proton is lost from the acid

Answer 11

Conjugate base

Question 12

It is the acceptor electron such as metal group 3A elements and transition metals

Answer 12

Lewis acids

Question 13

It is the donor electrons or the lone pairs

Answer 13

Lewis base

Question 14

The donated electron pair is shared between an acid and a base in a covalent bond which results to a

Answer 14

Coordinate covalent bond

Question 15

Refers to its ability or tendency to lose a proton

Answer 15

Acid strength

Question 16

It completely ionizes or dissociates in a solution

Answer 16

Strong acid

Question 17

It partially dissociates in a solution

Answer 17

Weak acid

Question 18

It measures the strength of an acidic molecule

Answer 18

Acid dissociation constant (ka)

Question 19

Measures the strength of an aqueous acid solution

Answer 19

pH

Question 20

Strong acids have large_and _ conjugate base

Answer 20

Ka & weak

Question 21

Weak acids have small_ and _ conjugate base

Answer 21

Ka & strong

Question 22

It indicates the relative strength of the acid or base

Answer 22

Ionization constant (Ka)

Question 23

Negative log of the ionization constant

Answer 23

pKa

Question 24

The negative logarithm of water ion constant

Answer 24

pKw

Question 25

The negative logarithm of acid dissociation constant

Answer 25

pKa

Question 26

The negative logarithm of base dissociation constant

Answer 26

pKb

Question 27

Characterized by the presence of a positively polarized hydrogen atom

Answer 27

Organic acids

Question 28

Hydrogen atom bonded to an electronegative oxygen atom (O-H)

Answer 28

Organic acids

Question 29

Hydrogen atom bonded to a carbon next to a carbonyl carbon

Answer 29

Organic acids

Question 30

Examples of organic acids

Answer 30

Methanol acetone acetic acid

Question 31

It contains one or more of the following functional groups Carboxylic acid group Phenolic group Sulfonic acid group Sulfonamide group Imide group

Answer 31

Organic acids

Question 32

Functional groups under organic acids

Answer 32

Carboxylic acid group Phenolic group Sulfonic acid group Sulfonamide group Imide group

Question 33

Characterized by the presence of an atom with lone pair of electrons that can bond to a hydrogen ion

Answer 33

Organic bases

Question 34

These are nitrogen containing compounds and oxygen containing compounds that can act both as an acid or base depending on the circumstances

Answer 34

Organic bases

Question 35

Organic bases example

Answer 35

Methylamine Methanol Acetone

Question 36

Contain one or more of the following functional groups -Primary secondary tertiary aliphatic or alicyclic amino groups -most aromatic or unsaturated heterocyclic nitrogen

Answer 36

Organic bases

Question 37

Use to calculate the pH of solutions of weak acids weak bases and buffers consisting of weak acids and their conjugate bases or weak bases and their conjugate acids

Answer 37

Henderson hasselbalch equation

Question 38

Henderson hasselbalch equations

Answer 38

pH= pKa + log (A/HA) pH= pKw - pKb + log (B/HB)

Question 39

It is the base dissociation constant

Answer 39

kb

Question 40

It is the water dissociation constant

Answer 40

Kw

Question 41

Molecule that acts both acid and base

Answer 41

Amphoteric

Question 42

Increase Ka will _ ph

Answer 42

Decrease

Question 43

Decrease Ka will _ ph

Answer 43

Increase

Question 44

Increase Ka will _ acidity

Answer 44

Increase

Question 45

Decrease Ka will _ acidity

Answer 45

Decrease

Question 46

Increase Ka will _ basicity

Answer 46

Decrease

Question 47

Decrease Ka will _ basicity

Answer 47

Increase

Question 48

pH+pOH=

Answer 48

14

Question 49

pKw=

Answer 49

14