[INORGANIC CHEMISTRY] Group 6A and Group 6B

c. Group 6A

Oxygen group or Chalcogens.

a. Group 5A

b. Group 5B

c. Group 6A

d. Group 6B

b. Si - this is silicon (Group 4A), it should be Sulfur (S).

📌Group 6A include:

• O (Oxygen)

• S (Sulfur)

• Se (Selenium)

• Po (Polonium)

Group 6A except:

a. O

b. Si

c. Se

d. Te

e. Po

f. None

c. Group 6A

The relationship between the oxidation number & acidity of the oxyacids of a given element in the case of the elements in _______ is directly proportional

a. Group 5A

b. Group 5B

c. Group 6A

d. Group 6B

b. Basic

For Group VI elements, lower oxidation state corresponds to:

a. Acidic
b. Basic
c. Neutral
d. Amphoteric

d. Acidic

For Group VI elements, higher oxidation state corresponds to:

a. Basic
b. Amphoteric
c. Neutral
d. Acidic

a. Dephlogisticated air

According to Priestly, O2 is:

a. Dephlogisticated air

b. Empyreal air

c. Acid former

d. Mephitic air

b. Empyreal air

According to Scheele, O2 is:

a. Dephlogisticated air

b. Empyreal air

c. Acid former

d. Mephitic air

c. Acid former

According to Lavoisier, O2 is:

a. Dephlogisticated air

b. Empyreal air

c. Acid former

d. Mephitic air

b. Oxygen

The most abundant element on Earth, followed by Silicon (Si) and Aluminum (Al).

a. Nitrogen

b. Oxygen

c. Hydrogen

d. Carbon

b. Scheele

Oxygen (O) is the most abundant element on Earth, followed by Silicon (Si) and Aluminum (Al) , discovered by ______

a. Lavoisier
b. Scheele
c. Priestly
d. Both a and b

a. True

Oxides of Oxygen can be metallic (basic), nonmetallic (acidic), and amphoteric (e.g., Al2O3)

a. True

b. False

d. None

📌True about oxygen include:

• 1/5 of air, by weight (in free form)

• 7/8 of water in minerals, by weight (in combined states)

True about oxygen except:

a. 1/5 of air by weight (in free form)

b. 7/8 of water in minerals by weight (in combined states)

c. Chemically reactive (combines directly with elements except Hg, Ag, Au & Pt family members)

d. None

c. 1/5

Oxygen (O) makes up ______ of air by weight in its free form.

a. 1/3
b. 1/4
c. 1/5
d. 1/6

d. 7/8

Oxygen (O) makes up _______ of water in minerals by weight in its combined state.

a. 1/2
b. 2/3
c. 3/4
d. 7/8

b. Oxygen

______ is chemically reactive and combines directly with elements except Hg, Ag, Au, and Pt

a. Nitrogen

b. Oxygen

c. Hydrogen

d. Carbon

c. Green

Oxygen (O) is stored in a container of which color?

a. Black
b. Blue
c. Green
d. Yellow

d. All of the above

• Tx of hypoxia / asphyxia

• Oxidative metabolism for the production of energy

• Final e- acceptor in ETC

Uses of Oxygen:
a. Tx of hypoxia / asphyxia

b. Oxidative metabolism for the production of energy

c. Final e- acceptor in ETC

d. All of the above

b. Oxygen

Used in the treatment of hypoxia and asphyxia.

a. Nitrogen

b. Oxygen

c. Hydrogen

d. Carbon

b. Oxygen

______ is involved in oxidative metabolism for the production of energy.

a. Nitrogen

b. Oxygen

c. Hydrogen

d. Carbon

b. Oxygen

______ serves as the final electron acceptor in the electron transport chain (ETC).

a. Nitrogen

b. Oxygen

c. Hydrogen

d. Carbon

a. Anoxic

Inadequate O₂ tension in air

a. Anoxic
b. Anemic
c. Stagnant
d. Histotoxic

b. Anemic

Lack of O₂ carrier in heme

a. Anoxic
b. Anemic
c. Stagnant
d. Histotoxic

c. Stagnant

Retarded blood circulation

a. Anoxic
b. Anemic
c. Stagnant
d. Histotoxic

d. Histotoxic

Interference of cell metabolism due to cell defect

a. Anoxic
b. Anemic
c. Stagnant
d. Histotoxic

c. Both a and b

• Carbonic acid gas

• Carbonic anhydride

Carbon Dioxide (CO2) is also known as:
a. Carbonic acid gas

b. Carbonic anhydride

c. Both a and b

c. Gray

Container color for Carbon Dioxide (CO₂)

a. Green
b. Blue
c. Gray
d. Black

a. Dry Ice

Solid Carbon Dioxide is also known as:

a. Dry Ice
b. Ice
c. Liquid Nitrogen
d. Dry Gas

a. Solid Carbon Dioxide (Dry Ice)

Used as a refrigerant

a. Solid Carbon Dioxide (Dry Ice)

b. Ice
c. Liquid Nitrogen
d. Dry Gas

c. O3

Ozone.

a. O

b. O2

c. O3

d. OH

c. Hydrogen Peroxide (H₂O₂)

Also known as Thenard’s Oxygenated Acid

a. Carbonic Acid
b. Nitric Acid
c. Hydrogen Peroxide (H₂O₂)
d. Sulfuric Acid

b. Acid medium

Stability of Hydrogen Peroxide (H₂O₂) increases in which medium?

a. Alkaline medium
b. Acid medium
c. Neutral medium
d. Both a and b

b. 10 volumes

3% Hydrogen Peroxide (H₂O₂) is equivalent to:

a. 5 volumes
b. 10 volumes
c. 15 volumes
d. 20 volumes

a. 3% Hydrogen Peroxide (H₂O₂)

Used as a Powerful Oxidant

a. 3% Hydrogen Peroxide (H₂O₂)
b. 6% Hydrogen Peroxide (H₂O₂)

a. Acetanilide 0.03%

Stabilizer used in 3% Hydrogen Peroxide (H₂O₂)

a. Acetanilide 0.03%
b. Sodium Chloride
c. Glycerin
d. Ethanol

c. 20 volumes

6% Hydrogen Peroxide (H₂O₂) is equivalent to:

a. 5 volumes
b. 10 volumes
c. 20 volumes
d. 30 volumes

b. 6% Hydrogen Peroxide (H₂O₂)

Used as a common bleach for hair

a. 3% Hydrogen Peroxide (H₂O₂)
b. 6% Hydrogen Peroxide (H₂O₂)

b. USP

6% Hydrogen Peroxide (H₂O₂) is official in the:

a. NF
b. USP
c. BP
d. JP

d. All of the above

• Nascent O

• Atmosphere / Molecular O2

• Ozone

  • Ozonides

  • Ozonized gas

Allotropes of Oxygen include:

a. Nascent O

b. Atmosphere / Molecular O2

c. Ozone

d. All of the above

a. O (Oxygen atom)

Nascent.

a. O (Oxygen atom)

b. O₂ (Molecular oxygen)

c. O₃ (Ozone)

d. OH (Hydroxyl radical)

b. O2

Atmospheric or molecular Oxygen.

a. O (Oxygen atom)

b. O₂ (Molecular oxygen)

c. O₃ (Ozone)

d. OH (Hydroxyl radical)

c. O₃ (Ozone)

Powerful oxidizing agent used in bleach and as disinfectant.

a. O (Oxygen atom)

b. O₂ (Molecular oxygen)

c. O₃ (Ozone)

d. OH (Hydroxyl radical)

b. Ozonides

Formed when O₃ is dissolved and unites with the double bonds of substances such as oil of turpentine, cinnamon, and olive oil

a. Nascent O
b. Ozonides
c. Ozonized Gas
d. Atmosphere / Molecular O₂

c. Ozonized Gas

Results when oxygen is converted to O₃ and it is used for bleaching

a. Nascent O
b. Ozonides
c. Ozonized Gas
d. Atmosphere / Molecular O₂

d. All of the above

• Brimstone

• Shubari (Enemy of Cu)

• Asupre

Sulfur is also known as:

a. Brimstone

b. Shubary (Enemy of Cu)

c. Asupre

d. All of the above

b. S (Sulfur)

Brimstone.

a. O (Oxygen)

b. S (Sulfur)

c. Se (Selenium)

d. Te (Tellurium)

e. Po (Polonium)

b. S (Sulfur)

Shulbari (enemy of Cu).

a. O (Oxygen)

b. S (Sulfur)

c. Se (Selenium)

d. Te (Tellurium)

e. Po (Polonium)

b. S (Sulfur)

Asupre.

a. O (Oxygen)

b. S (Sulfur)

c. Se (Selenium)

d. Te (Tellurium)

e. Po (Polonium)

c. α-Sulfur

Most stable allotropic form of Sulfur (S)

a. β-Sulfur
b. γ-Sulfur
c. α-Sulfur
d. Plastic Sulfur

b. S (Sulfur)

Constitutes 0.05% of Earth's crust.

a. O (Oxygen)

b. S (Sulfur)

c. Se (Selenium)

d. Te (Tellurium)

e. Po (Polonium)

b. S (Sulfur)

Occurs free state and in combination (sulfides, sulfites, sulfates)

a. O (Oxygen)

b. S (Sulfur)

c. Se (Selenium)

d. Te (Tellurium)

e. Po (Polonium)

d. a and b

• Crude furnace

• Calcarone

Source of Sulfur.

a. Crude furnace

b. Calcarone

c. Stibium glance

d. a and b

e. All

c. Frasch process

Calcarone is a source of Sulfur synthesize by which process?

a. Haber's process

b. Lane process

c. Frasch process

d. Messerschmidt Process

b. S (Sulfur)

Used in the preparation of scabicidal and keratolytic ointment

a. O (Oxygen)

b. S (Sulfur)

c. Se (Selenium)

d. Te (Tellurium)

e. Po (Polonium)

f. None

📌Uses of Sulfur include:

• Scabicide and keratolytic ointment/ lotion

• Antiseborrheic/Anti-dandruff (SeS2)

• Stimulates hair growth

• Depilatory agent (as thioglycolate)

• Stimulant cathartic

Uses of sulfur except:

a. Scabicide and keratolytic ointment/ lotion

b. Antiseborrheic/Anti-dandruff (SeS2)

c. Stimulates hair growth

d. Depilatory agent (as thioglycolate)

e. Stimulant cathartic

f. None

b. Thioglycolate

Depilatory form of Sulfur.

a. SeS2

b. Thioglycolate

c. HS2

d. H2SO4

a. SeS₂ (Selenium Sulfide)

Antiseborrheic / anti-dandruff.

a. SeS₂ (Selenium Sulfide)
b. Thioglycolate (Thioglycolic acid salt)
c. HS₂ (Hydrogen disulfide)
d. H₂SO₄ (Sulfuric acid)

d. All of the above

• CuS (Copper(II) sulfide)

• HgS (Mercury(II) sulfide)

• FeS (Iron(II) sulfide)

Black sulfide

a. CuS (Copper(II) sulfide)
b. HgS (Mercury(II) sulfide)

c. FeS (Iron(II) sulfide)
d. All of the above

b. MnS (Manganese(II) sulfide)

Pink sulfide

a. CuS (Copper(II) sulfide)
b. MnS (Manganese(II) sulfide)
c. Sb₂S₃ (Antimony(III) sulfide)
d. ZnS (Zinc sulfide)

c. Sb₂S₃ (Antimony(III) sulfide)

Orange sulfide

a. CuS (Copper(II) sulfide)
b. MnS (Manganese(II) sulfide)
c. Sb₂S₃ (Antimony(III) sulfide)
d. CdS (Cadmium sulfide)

d. CdS (Cadmium sulfide)

Yellow sulfide

a. HgS (Mercury(II) sulfide)
b. FeS (Iron(II) sulfide)
c. Sb₂S₃ (Antimony(III) sulfide)
d. CdS (Cadmium sulfide)

c. ZnS (Zinc sulfide)

White sulfide

a. CuS (Copper(II) sulfide)

b. HgS (Mercury(II) sulfide)

c. ZnS (Zinc sulfide)

d. MnS (Manganese(II) sulfide)

b. α / Rhombic S

Stable allotropic form of Sulfur at room temperature

a. β / Monoclinic S
b. α / Rhombic S
c. γ / Plastic S
d. δ / Amorphous S

a. β / Monoclinic S

Allotropic form of Sulfur stable at room temperature

a. β / Monoclinic S
b. α / Rhombic S
c. Both a and b
d. Neither a nor b

a. 96°C

Equilibrium point of β / Monoclinic Sulfur

a. 96°C
b. 100°C
c. 119°C
d. 200°C

d. All of the above

• Potassa Sulfurata

• Liver of Sulfur

• Hepar Sulfaris

Sulfurated Potash (K2Sx • K2S2O3) is also known as:

a. Potassa Sulfurata

b. Liver of Sulfur

c. Hepar Sulfaris

d. All of the above

a. Sulfurated Potash / Potassa Sulfurata

Consists mainly of K polysulfide, K thiosulfate, K sulfate

a. Sulfurated Potash / Potassa Sulfurata
b. Potassium Carbonate
c. Potassium Bicarbonate
d. Potassium Chloride

e. All

• K polysulfide

• K thiosulfate

• K sulfate

Sulfurated potash is consists mainly of

a. K polysulfide

b. K thiosulfate

c. K sulfate

d. a and c

e. All

b. Greenish yellow

Sulfurated potash is irregular and is color liver brown but turns in what color with air?

a. Reddish orange

b. Greenish yellow

c. Yellow orange

d. Blue

a. Sulfurated Potash / Potassa Sulfurata

Possesses H₂S (Hydrogen sulfide) odor

a. Sulfurated Potash / Potassa Sulfurata
b. Potassium Carbonate
c. Potassium Bicarbonate
d. Potassium Chloride

c. White Lotion, USP

Also known as Sulfurated Potash + ZnSO₄

a. Liver of Sulfur
b. Potassa Sulfurata
c. White Lotion, USP
d. Hepar sulfaris

c. White Lotion, USP

_______ is prepared by combining Sulfurated Potash with ZnSO₄

a. Liver of Sulfur
b. Potassa Sulfurata
c. White Lotion, USP
d. Hepar sulfaris

c. White Lotion, USP / Zinc Sulfide Topical Suspension

Sulfurated potash + ZnSO4 → _____

a. Liver of Sulfur
b. Potassa Sulfurata
c. White Lotion, USP
d. Hepar sulfaris

c. ZnS (Zinc sulfide)

The active ingredient in White Lotion, USP is:

a. K polysulfide
b. K thiosulfate
c. ZnS (Zinc sulfide)
d. K sulfate

a. Topical and antifungal: astringent, protective, mild antimicrobial, and antifungal

White Lotion, USP is used as:

a. Topical and antifungal: astringent, protective, mild antimicrobial, and antifungal
b. Oral antibiotic
c. Intravenous antifungal
d. Systemic antiviral

c. White Lotion, USP

Indicated for the treatment of Skin parasitic diseases, psoriasis, scabicide

a. Liver of Sulfur
b. Potassa Sulfurata
c. White Lotion, USP
d. Hepar sulfaris

a. Amorphous S

Common form of S.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

f. Liquid S

Formed of Sulfur obtained from heating S at 160-180°C , then the product become dark brown & has reached the maximum viscosity

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

c. Plastic S

Rubber-like form of S which is obtained after cooling heated S.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

c. Plastic S

Insoluble in Carbon Disulfide

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

e. Precipitated S

Also known as Milk of sulfur or Lack sulfur.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

e. Precipitated S (Milk of S, Lack S)

Obtained by boiling S with lime and precipitating filtered solution with HCl.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

e. Precipitated S (Milk of S, Lack S)

Very fine pale-yellow powder, odorless, tasteless form of S which readily dissolves in CS2.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

c. Plastic S (Milk of S, Lack S)

Readily dissolves in CS2.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

e. Precipitated S (Milk of S, Lack S)

Form of Sulfur which is a component of Sulfur ointment.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

b. 10%

Sulfur ointment is how many % Sulfur?

a. 5%

b. 10%

c. 15%

d. 30%

e. All

• Precipitated S + mineral oil + white ointment

Component of Sulfur ointment:

a. Precipitated sulfur

b. Mineral oil

c. White ointment

d. a and b

e. All

b. Sublimed S

Also known as Flowers of S.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

b. Sublimed S (Flowers of S)

Form of S which is fine yellow powder with faint odor and taste that slowly dissolve, usually incompletely soluble to CS2.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

b. Sublimed S (Flowers of S)

Slowly dissolve and usually incompletely soluble to CS2.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

b. Sublimed S (Flowers of S)

Form of Sulfur that is component of sulfurated lime.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

a. Vleminck's Solution

Sublimed sulfur + lime (boiled).

a. Vleminck's Solution

b. Koppeschaar's Solution

c. Fehling's Solution

d. Lunosol Solution

a. Vleminck's Solution

Also known as Sulfurated lime.

a. Vleminck's Solution

b. Koppeschaar's Solution

c. Fehling's Solution

d. Lunosol Solution

d. Washed S

Form of Sulfur obtained by treating sublimed S with NH3 to dissolve impurities, particularly As and to remove traces of acid.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

a. Ammonia

Used to remove impurities in Sublimed S to form washed S.

a. Ammonia

b. Acetic acid

c. Nitric acid

d. 0.1 N Bromine

d. Washed S

Has characteristics similar to sublimed S thus still has faint odor and taste.

a. Amorphous S

b. Sublimed S

c. Plastic S

d. Washed S

e. Precipitated S

f. Liquid S

b. Vlemickx's Solution

A mixture prepared by boiling lime + sublimed sulfur

a. Norhausen Acid
b. Vlemickx's Solution
c. Lithopone
d. Sulfurated Potash

c. Norhausen Acid

Also known as “Fuming Sulfuric Acid”

a. Vlemickx's Solution
b. Lithopone
c. Norhausen Acid
d. Sulfurated Potash

d. Sulfurated Potash

Also known as “Liver of Sulfur”

a. Vlemickx's Solution
b. Norhausen Acid
c. Lithopone
d. Sulfurated Potash

d. Sulfurated Potash

Used in the treatment of Psoriasis

a. Vlemickx's Solution
b. Norhausen Acid
c. Lithopone
d. Sulfurated Potash

c. Lithopone

70% Zinc Sulfide & 30% Barium Sulfide

a. Vlemickx's Solution
b. Norhausen Acid
c. Lithopone
d. Sulfurated Potash