F5 Acids and bases

Question 1

Arrhenius definition of acids and bases

Answer 1

An acid ionizes in water forming H+ ions

A base ionizes in water forming OH- ions

Question 2

Brønsted definition of acids and bases

Answer 2

A Brønsted acid is a proton, H+, donor

A Brønsted base is a proton acceptor

Question 3

Lewis definition of acids and bases

Answer 3

A Lewis acid is an electron pair acceptor

A Lewis base is an electron pair donor

Question 4

Strong acids are almost … in water

For weak acids, the reaction with water is …

Answer 4

completely ionized

incomplete

Question 5

A buffer solution resists pH changes

Buffer solutions are usually made either from:

Answer 5

A weak acid + one of its salts or
A weak base + one of its salts

Question 6

monobasic vs dibasic vs tribasic acids

Answer 6

HNO3, has only one ionizable hydrogen atom and is called a monobasic acid

H2SO4 has two ionizable hydrogen atoms and is called a dibasic acid

H3PO4 have three ionizable hydrogen atoms and is called a tribasic acid

Question 7

NaOH

Answer 7

natriumhydroxid, Brönstedtbas

Question 8

H2SO4

Answer 8

svavelsyra, Brönstedtsyra

Question 9

CH3COOH

Answer 9

ättiksyra, Brönstedtsyra

Question 10

NH3

Answer 10

ammoniak, Brönstedtbas

Question 11

Ca(OH)2

Answer 11

kalciumhydroxid, Brönstedtbas

Question 12

HNO3

Answer 12

salpetersyra, Brönstedtsyra

Question 13

HCOOH

Answer 13

myrsyra, Brönstedtsyra