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PORG 121 > ACIDS AND BASES > Flashcards

ACIDS AND BASES Flashcards

1
Q

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

A

Acids

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2
Q

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

A

Bases

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3
Q

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

A

Arrhenius acids

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4
Q

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

A

Arrhenius base

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5
Q

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

A

Strong base
Weak base

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6
Q

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

A

Arrhenius theory

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7
Q

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

A

Neutralization

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8
Q

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

A

Bronsted lowry acid

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9
Q

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

A

Bronsted lowry base

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10
Q

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

A

Conjugate acid

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11
Q

The product formed after the proton is lost from the acid

A

Conjugate base

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12
Q

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

A

Lewis acids

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13
Q

It is the donor electrons or the lone pairs

A

Lewis base

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14
Q

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

A

Coordinate covalent bond

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15
Q

Refers to its ability or tendency to lose a proton

A

Acid strength

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16
Q

It completely ionizes or dissociates in a solution

A

Strong acid

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17
Q

It partially dissociates in a solution

A

Weak acid

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18
Q

It measures the strength of an acidic molecule

A

Acid dissociation constant (ka)

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19
Q

Measures the strength of an aqueous acid solution

A

pH

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20
Q

Strong acids have large_and _ conjugate base

21
Q

Weak acids have small_ and _ conjugate base

A

Ka & strong

22
Q

It indicates the relative strength of the acid or base

A

Ionization constant (Ka)

23
Q

Negative log of the ionization constant

24
Q

The negative logarithm of water ion constant

25
The negative logarithm of acid dissociation constant
pKa
26
The negative logarithm of base dissociation constant
pKb
27
Characterized by the presence of a positively polarized hydrogen atom
Organic acids
28
Hydrogen atom bonded to an electronegative oxygen atom (O-H)
Organic acids
29
Hydrogen atom bonded to a carbon next to a carbonyl carbon
Organic acids
30
Examples of organic acids
Methanol acetone acetic acid
31
It contains one or more of the following functional groups Carboxylic acid group Phenolic group Sulfonic acid group Sulfonamide group Imide group
Organic acids
32
Functional groups under organic acids
Carboxylic acid group Phenolic group Sulfonic acid group Sulfonamide group Imide group
33
Characterized by the presence of an atom with lone pair of electrons that can bond to a hydrogen ion
Organic bases
34
These are nitrogen containing compounds and oxygen containing compounds that can act both as an acid or base depending on the circumstances
Organic bases
35
Organic bases example
Methylamine Methanol Acetone
36
Contain one or more of the following functional groups -Primary secondary tertiary aliphatic or alicyclic amino groups -most aromatic or unsaturated heterocyclic nitrogen
Organic bases
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
Henderson hasselbalch equation
38
Henderson hasselbalch equations
pH= pKa + log (A/HA) pH= pKw - pKb + log (B/HB)
39
It is the base dissociation constant
kb
40
It is the water dissociation constant
Kw
41
Molecule that acts both acid and base
Amphoteric
42
Increase Ka will _ ph
Decrease
43
Decrease Ka will _ ph
Increase
44
Increase Ka will _ acidity
Increase
45
Decrease Ka will _ acidity
Decrease
46
Increase Ka will _ basicity
Decrease
47
Decrease Ka will _ basicity
Increase
48
pH+pOH=
14
49
pKw=
14

PORG 121 (7 decks)

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