Ch2

Question 1

Bronsted- Lowry acid

Answer 1

loses a proton

Question 2

Bronsted- Lowry Base

Answer 2

gains a proton

Question 3

conjugate base

Answer 3

짝염기

Question 4

conjugate acid

Answer 4

짝산

Question 5

Ka

Answer 5

acid dissociation constant/ K(eq) [H2O]

Question 6

pKa

Answer 6

-log Ka

Question 7

__________ the acid , lower the _____ Value

Answer 7

stronger, pKa

Question 8

pH

Answer 8

-log [H+]

Question 9

Carboxylic Acid

Answer 9

COOH group

Question 10

Alcohols

Answer 10

OH group

Question 11

Amines

Answer 11

compounds that result from replacing one or more of the hydrogens bonded to ammonia with a carbon-containing substituent

Question 12

Curved arrow always points from the electron_____ to the electron _______

Answer 12

donor acceptor

Question 13

Protonated alcohols, protonated carboxylic acids, and protonated water have pKa values less than

Answer 13

0

Question 14

carboxylic acids have pKa values of

Answer 14

~5

Question 15

Protonated amines have pKa values of

Answer 15

~10

Question 16

Alcohols and water have pKa values of

Answer 16

~15

Question 17

In an acid-base reaction, the equilibrium favors the formation of the _____ acid

Answer 17

weaker

Question 18

pK(eq)

Answer 18

pKa(reactant acid) - pKa (product acid)

Question 19

sp hybridized orbital is more ____ than sp3

Answer 19

electro negative

Question 20

the ____ of the atom is more important than its _________ in determining how well it bears its negative charge

Answer 20

size, electronegativity

Question 21

as a halide ion _____ in size, its stability _____ because its negative charge is spread over a larger volume of space

Answer 21

increase, increase

Question 22

inductive electron withdrawal

Answer 22

pulling electrons through sigma bonds

Question 23

the effect a substituent has on the acidity of a compound _____ as the distance between the substituent and the acidic proton increase

Answer 23

decrease

Question 24

the rationale behind carboxyliic acid being stronger than alcohols

Answer 24

1) Inductive Electron Withdrawal

2) Delocalized Electrons

Question 25

Compounds exist primarily in their _____ forms in solutions that are more acidic than their pKa values and primarily in their _____ forms in solutions that are more basic than their pKa values.

Answer 25

acidic, basic

Question 26

Buffer solutions

Answer 26

a solution with a weak acid and its conjugate base

Question 27

Lewis acid

Answer 27

species that accepts a share in an electron pair (AlCl3 , BF3)

Question 28

lewis base

Answer 28

species that donates a share in an electron pair