Week 2 (Sulfuric acid)

Question 1

Sulfuric acid is also known as

Answer 1

oil of vitriol, vitriol brown oil, mottling acid

Question 2

Sulfuric acid is a mineral acid composed of the elements

Answer 2

hydrogen, sulfur, and oxygen

Question 3

Sulfuric acid has a _________ solution

Answer 3

98 - 99.5%

Question 4

sulfuric acid can be found in

Answer 4

battery acid, electrolytic acid

Question 5

(true or false)
sulfuric acid is highly corrosive weak mineral acid

Answer 5

false
(strong)

Question 6

sulfuric acid is has a what smell and taste?

Answer 6

pungent-ethereal

Question 7

color of sulfuric acid?

Answer 7

colorless to slightly yellow viscous liquid

Question 8

(true or false)
sulfuric acid is soluble in water at all concentrations

Answer 8

true

Question 9

historical name of sulfuric acid

Answer 9

oil of vitriol

Question 10

sulfuric acid can cause chemical burns via _________

Answer 10

hydrolysis

Question 11

sulfuric acid can cause secondary thermal burns via ______

Answer 11

dehydration

Question 12

sulfuric acid is ______, readily absorbing water vapor from air

Answer 12

hygroscopic

Question 13

Some of the earliest discussions on the origin and properties of vitriol is in the works of the _______ and ________

Answer 13

Greek Physician Dioscorides (first century AD)
Roman Naturalist Pliny the Elder (23-79 AD)

Question 14

he discussed the vitriol’s medical use

Answer 14

Galen

Question 15

Metallurgical uses for vitriolic substances were recorded in the Hellenistic alchemical works of ___________, in the treatise Phisica et Mystica, and the Leyden
papyrus X.

Answer 15

Zosimos of Panopolis

Question 16

Sulfuric acid was called “oil of vitriol” by medieval European alchemists because it
was prepared by roasting _________

Answer 16

oil of vitriol (Iron (II) Sulfate)

Question 17

In the 17th century, he prepared sulfuric acid by burning sulfur together with saltpeter in the presence of steam

Answer 17

German-dutch Johann Glauber

Question 18

In 17th century, German-dutch Johann Glauber prepared sulfuric acid by

Answer 18

burning the sulfur together with saltpeter in the presence of steam

Question 19

saltpeter is

Answer 19

Potassium nitrate (KNO3)

Question 20

as saltpeter decomposes, it oxidizes the sulfur to ____, which combines with water to produce sulfuric acid

Answer 20

SO3

Question 21

In 1736, ______ a london pharmacist, used this method to begin the first large-scale production of sulfuric acid

Answer 21

Joshua Ward

Question 22

In 1746 in Birmingham, ___________adapted this method to produce sulfuric acid
in lead-lined chambers, which were stronger, less expensive, and could be made larger
than the previously used glass containers.

Answer 22

John Roebuck

Question 23

This process allowed the effective industrialization of sulfuric acid production. After several refinements, this method, called the _________, remained the standard for sulfuric acid production for almost 200 years.

Answer 23

lead chamber process or chamber
process

Question 24

pyrite or ______

Answer 24

iron disulfide (FeS2)

Question 25

________is passed into the lead chamber from glover tower. Afterwards, it is washed using ________

Answer 25

hot sulfur dioxide nitrous vitriol

Question 26

glover acid is approximately ______ sulfuric acid

Answer 26

78%

Question 27

the _________ contains a mixture of gases, such as oxygen, nitrogen, nitrogen oxides, sulfur dioxide, and steam

Answer 27

glover tower

Question 28

The lead chamber has a series of chambers ranging from

Answer 28

3 to 12

Question 29

the gases produced in lead chamber are referred to as a________ and contain between _______ sulfuric acid

Answer 29

chamber acid or fertilizer acid 62 - 68%

Question 30

In 1831, british vinegar merchant _________patented contact process

Answer 30

Peregrine Phillips

Question 31

In 1831, British vinegar merchant Peregrine Phillips patented the ______

Answer 31

contact process

Question 32

it was a far more economical process for producing sulfur trioxide and concentrated sulfuric acid

Answer 32

contact process

Question 33

Sulfur of greater than ________ is used for the production of sulfuric acid

Answer 33

99% purity

Question 34

sulfur is normally present in the ______

Answer 34

flakes or granules

Question 35

it is used for the production of sulfuric acid to avoid difficulties in process equipment

Answer 35

demineral water

Question 36

At proper operating condition, how many mole of water is required for every mole of sulfuric acid

Answer 36

1 mole

Question 37

it is a specially purified water that has had most or all of its mineral and salt ions removed

Answer 37

demineralised water

Question 38

demineralised water is also known as

Answer 38

deionised water, DI, Demin water

Question 39

is usually freer of mineral ions depending on the number of processes used to make it

Answer 39

demineralised water

Question 40

may have less organic contaminants, as deionisation does not removed uncharged molecules such as bacteria or viruses

Answer 40

distilled water

Question 41

leaves behind less scale than distillation, and so has a cleaner production

Answer 41

deionisation

Question 42

the contact process relies on _______ for the manufacture of sulfuric acid

Answer 42

elemental sulfur

Question 43

Sulfur dioxide is obtained by roasting the respective _________ in air

Answer 43

metal sulfide ores (PbS-Galena)

Question 44

The conversion of sulfur dioxide to sulfur trioxide is an

Answer 44

exothermic reaction

Question 45

The reactor has four beds of catalysts referred to as a ________

Answer 45

converter

Question 46

in conversion of sulfur dioxide to sulfur trioxide takes place in the presence of _______

Answer 46

Vanadium (V) oxide (V2O5)

Question 47

______are added to function as promoters thereby lowering the melting point of the catalyst

Answer 47

cesium pellets

Question 48

when sulfur trioxide is first absorbed into concentrated sulfuric acid, it results in the formation of ______

Answer 48

oleum

Question 49

grades of sulfuric acid 10% ______ 29 - 32% _____ 62 - 70% ______ 78 - 80% _____ 98% ______

Answer 49

dilute sulfuric acid battery acid chamber acid/ fertilizer acid tower/ glover acid concentrated sulfuric acid

Question 50

diprotic means

Answer 50

can donate two protons