[INORGANIC CHEMISTRY] Group 5A and Group 5B

a. Group 5A

Nitrogen group: N, P, As, Sb, Bi

a. Group 5A

b. Group 5B

c. Group 6A

d. Group 6B

a. Group 5A

Nitrogen Family

a. Group 5A

b. Group 5B

c. Group 6A

d. Group 6B

b. Acidic

Oxides of Nitrogen (N) and Phosphorus (P) are:

a. Basic

b. Acidic

c. Amphoteric

d. Neutral

c. Amphoteric

Oxides of Arsenic (As) and Antimony (Sb) are:

a. Basic

b. Acidic

c. Amphoteric

d. Neutral

a. Basic

Oxides of Bismuth (Bi) are:

a. Basic

b. Acidic

c. Amphoteric

d. Neutral

d. All of the above

• Meohitic Air

• Azote (meaning without life)

• Phlogisticated Air

NITROGEN (N) is also known as:

a. Mephitic Air

b. Azote (meaning without life)

c. Phlogisticated Air

d. All of the above

a. Nitrogen (N₂)

Came from the word Azote meaning without life.

a. Nitrogen (N₂)
b. Hydrogen (H)
c. Oxygen (O₂)
d. Helium (He)

a. Nitrogen (N₂)

Also known as Phlogisticated air

a. Nitrogen (N₂)
b. Hydrogen (H)
c. Oxygen (O₂)
d. Helium (He)

a. Nitrogen (N₂)

Also known as Mephitic air

a. Nitrogen (N₂)
b. Hydrogen (H)
c. Oxygen (O₂)
d. Helium (He)

a. Nitrogen (N₂)

Most abundant gas in air with the composition of 71% N₂ & 29% O₂

a. Nitrogen (N₂)
b. Hydrogen (H)
c. Oxygen (O₂)
d. Helium (He)

b. 71% N₂ & 29% O₂

Nitrogen (N) is the most abundant gas in air with the composition of:

a. 78% N₂ & 21% O₂

b. 71% N₂ & 29% O₂

c. 50% N₂ & 50% O₂

d. 90% N₂ & 10% O₂

a. Nitrogen (N₂)

Prepared primarily by the fractional distillation of liquid air
a. Nitrogen (N₂)
b. Hydrogen (H)
c. Oxygen (O₂)
d. Helium (He)

b. Fractional distillation of liquid air

Nitrogen (N) is prepared primarily by:

a. Electrolysis of water

b. Fractional distillation of liquid air

c. Heating of ammonia

d. Combustion of organic matter

a. Nitrogen (N₂)

Most stable diatomic molecule

a. Nitrogen (N₂)
b. Hydrogen (H)
c. Oxygen (O₂)
d. Helium (He)

a. Nitrogen (N₂)

Provides inert atmosphere for readily oxidizable pharmaceuticals.

a. Nitrogen (N₂)
b. Hydrogen (H)
c. Oxygen (O₂)
d. Helium (He)

a. Nitrogen (N₂)

Retard oxidation of cod liver oil, olive oil & multiple vitamin preparation
a. Nitrogen (N₂)
b. Hydrogen (H)
c. Oxygen (O₂)
d. Helium (He)

a. Cod liver oil, olive oil & multiple vitamin preparation

Nitrogen (N) is used to retard oxidation of:

a. Cod liver oil, olive oil & multiple vitamin preparation

b. Water and saline solutions

c. Alcohol and glycerin

d. Sugar and starch

a. Nitrogen (N₂)

Cause fatal bend in deep sea divers due to accumulation in the blood

a. Nitrogen (N₂)
b. Hydrogen (H)
c. Oxygen (O₂)
d. Helium (He)

c. 3 covalent bonds

N₂ is very stable because of:

a. 1 covalent bond

b. 2 covalent bonds

c. 3 covalent bonds

d. 4 covalent bonds

a. Nitrogen (N₂)

Used as inert atmosphere for readily oxidizable substances
a. Nitrogen (N₂)
b. Hydrogen (H)
c. Oxygen (O₂)
d. Helium (He)

a. Liquid nitrogen

_____- is used as refrigerant for cryogenic preservation

a. Liquid nitrogen

b. N2 gas

c. Nitrates

d. Nitrites

c. -196°C

Liquid nitrogen temperature.

a. -176°C

b. -186°C

c. -196°C

d. -206°C

c. Black

Container color for Liquid Nitrogen

a. Green

b. Blue

c. Black

d. Yellow

. Nitrous Oxide (N₂O

Also known as Laughing Gas

a. Carbon Dioxide (CO₂)

b. Nitrous Oxide (N₂O)

c. Nitrogen (N₂)

d. Oxygen (O₂)

b. An inhalational anesthetic

Nitrous Oxide (N₂O) is used as:

a. A reducing agent
b. An inhalational anesthetic
c. A disinfectant
d. An oxidizing agent

c. Diffusion Hypoxia

The side effect of Nitrous Oxide (N₂O) is:

a. Hyperoxia
b. Metabolic acidosis
c. Diffusion Hypoxia
d. Respiratory alkalosis

c. Blue

Nitrous Oxide (N₂O) is stored in a container of which color?

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

b. Nitric Oxide (NO)

Causes Vasodilation

a. Nitrous Oxide (N₂O)
b. Nitric Oxide (NO)
c. Nitrogen Dioxide (NO₂)
d. Nitroglycerin

b. Nitric Oxide (NO)

_____ is an Important NT produced by neurons and other cells associated with the MOA of drugs like Sildenafil and Nitroglycerin

a. Nitrous Oxide (N₂O)
b. Nitric Oxide (NO)
c. Nitrogen Dioxide (NO₂)
d. Nitroglycerin

a. Sildenafil and Nitroglycerin

Nitric Oxide (NO) is an Important NT produced by neurons and other cells associated with the MOA of drugs like _____

a. Sildenafil and Nitroglycerin
b. Aspirin and Ibuprofen
c. Penicillin and Amoxicillin
d. Metformin and Insulin

a. Sildenafil and Nitroglycerin

Nitric Oxide (NO) is associated with the MOA of which drugs?

a. Sildenafil and Nitroglycerin
b. Aspirin and Ibuprofen
c. Penicillin and Amoxicillin
d. Metformin and Insulin

b. Nitrite (NO₂⁻)

For Cyanide Poisoning

a. Nitrate (NO₃⁻)
b. Nitrite (NO₂⁻)
c. Thiosulfate
d. Activated Charcoal

b. Vasodilator

Nitrite (NO₂⁻) acts as a:

a. Vasoconstrictor
b. Vasodilator
c. Cardiotonic
d. Anticoagulant

c. Silver Nitrite

All nitrites are soluble in water, except for:

a. Sodium Nitrite
b. Potassium Nitrite
c. Silver Nitrite
d. Calcium Nitrite

b. Nitrite (NO₂⁻)

Forms a red color with Giess-Ilosvay Test

a. Nitrate (NO₃⁻)
b. Nitrite (NO₂⁻)
c. Thiosulfate
d. Activated Charcoal

c. Giess-Ilosvay Te

Nitrite (NO₂⁻) forms a red color with which test?

a. Marsh's Test
b. Benedict's Test
c. Giess-Ilosvay Test
d. Fehling's Test

a. Nitrate (NO₃⁻)

Used as preservative

a. Nitrate (NO₃⁻)
b. Nitrite (NO₂⁻)
c. Thiosulfate
d. Activated Charcoal

a. Nitrate (NO₃⁻)

Gives white crystalline ppt with the presence of Nitron Rgt (diphenyl-endo anilo-dihydrotriazole)

a. Nitrate (NO₃⁻)
b. Nitrite (NO₂⁻)
c. Thiosulfate
d. Activated Charcoal

c. Nitron Reagent (diphenyl-endo-anilo-dihydrotriazole)

Nitrate (NO₃⁻) gives a white crystalline precipitate with which reagent?

a. Benedict's Reagent
b. Fehling's Reagent
c. Nitron Reagent (diphenyl-endo-anilo-dihydrotriazole)
d. Tollens' Reagent

b. Lunge Test

The most sensitive test for nitrate is:

a. Marsh's Test
b. Lunge Test
c. Giess-Ilosvay Test
d. Beilstein Test

c. Pentaerythritol Tetranitrate

The longest acting nitrate is:

a. Nitroglycerin
b. Isosorbide Dinitrate
c. Pentaerythritol Tetranitrate
d. Amyl Nitrite

e. All of the above

• Spirit of Nitre

• Aqua Fortis

• Fuerte

• Eau Forte

Nitric Acid, NF 30 is also known as ____

a. Spirit of Nitre

b. Aqua Fortis

c. Fuerte

d. Eau Forte

e. All of the above

c. Nitric Acid (NF 30)

An aqueous solution containing not less than 69% and not more than 71% by weight of HNO3

a. Hydrochloric Acid, NF
b. Sulfuric Acid, NF
c. Nitric Acid, NF 30
d. Acetic Acid, NF

c. 69% and 71%

Nitric Acid, NF 30 is an aqueous solution containing not less than ______% and not more than ______% by weight of HNO₃.

a. 60% and 65%
b. 65% and 68%
c. 69% and 71%
d. 70% and 75%

c. Both a and b

• Light Carrier

• St. Elmo’s Fire

Phosphorous (P)

a. Light Carrier

b. St. Elmo’s Fire

c. Both a and b

b. P (Phosphorus)

St. Elmo's fire

a. N (Nitrogen)
b. P (Phosphorus)
c. As (Arsenic)
d. Sb (Antimony)
e. Bi (Bismuth)

b. P (Phosphorus)

Light carrier, store under water

a. N (Nitrogen)
b. P (Phosphorus)
c. As (Arsenic)
d. Sb (Antimony)
e. Bi (Bismuth)

b. P (Phosphorus)

Essential constituent (in small amounts) of protoplasm, nervous tissues and bones.

a. N (Nitrogen)
b. P (Phosphorus)
c. As (Arsenic)
d. Sb (Antimony)
e. Bi (Bismuth)

c. White/Yellow Phosphorous

Poisonous allotropic form

a. Red Phosphorous
b. Black Phosphorous
c. White/Yellow Phosphorous
d. Violet Phosphorous

c. Red Phosphorous

Non-poisonous allotropic form

a. White Phosphorous
b. Yellow Phosphorous
c. Red Phosphorous
d. Black Phosphorous

• Mg (Magnesium)

• Sr (Strontium)

• Ba (Barium)

• Ca (Calcium)

Grp IV Cation, Insoluble Phosphate [4]

b. Phosphate

Physiologic form of P which has the medicinal importance as antacid and cathartic.

a. Phosphorus

b. Phosphate

c. Phosphite

d. Phosgene

d. Phosphoric Acid NF

Used to form soluble salts of insoluble medicinal base

a. Hydrochloric Acid NF
b. Sulfuric Acid NF
c. Nitric Acid NF
d. Phosphoric Acid NF

c. 85 - 88% w/w

Phosphoric Acid NF is used to form soluble salts of insoluble medicinal base which is _____ % w/w

a. 70 - 75% w/w
b. 80 - 85% w/w
c. 85 - 88% w/w
d. 90 - 95% w/w

b. Hypophosphorous Acid

Used as an antioxidant in Hydriodic Acid Syrup and Ferrous Iodide Syrup

a. Phosphoric Acid
b. Hypophosphorous Acid
c. Ascorbic Acid
d. Sodium Thiosulfate

c. White / Yellow Phosphorus (Impure)

Which allotrope of phosphorus is a Waxy solid (organic solvents soluble)

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

c. White / Yellow Phosphorus (Impure)

Soluble in organic solvents

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

c. White / Yellow Phosphorus (Impure)

Which allotrope of phosphorus darkens in light

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

c. White / Yellow Phosphorus (Impure)

Which allotrope of phosphorus emits greening light and and gives off white fumes with garlic odor with air (in the dark)

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

c. White / Yellow Phosphorus (Impure)

Which allotrope of phosphorus is toxic and used as rat poison.

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

a. Red / Violet Phosphorus

Which allotrope of phosphorus is an intermediate property of black and white P.

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

a. Red / Violet Phosphorus

Insoluble in organic solvent.

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

a. Red / Violet Phosphorus

Which allotrope of phosphorus is less chemical active compared to white P

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

a. Red / Violet Phosphorus

Which allotrope of phosphorus is nontoxic thus used in safety matches, pyrotechnics.

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

b. Black Phosphorus

Which allotrope of phosphorus resembles graphite in texture.

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

b. Black Phosphorus

Which allotrope of phosphorus is produced from white P under high pressures.

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

b. Black Phosphorus

• Air-stable

• Does not catch fire spontaneously

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

c. White / Yellow Phosphorus (Impure)

The toxic P.

a. Red / Violet Phosphorus
b. Black Phosphorus
c. White / Yellow Phosphorus (Impure)
d. Brown Phosphorus

c. Arsenic (As)

Lewisite metal which is the agent of choice for professional killers.

a. Lead (Pb)
b. Mercury (Hg)
c. Arsenic (As)
d. Cadmium (Cd)

b. As³⁺

____ has high affinity for -SH compound thus toxic to all types of cell.

a. As⁰
b. As³⁺
c. As⁵⁺
d. As³⁻

c. As⁵⁺

Which oxidation state of arsenic is relatively less toxic?

a. As⁰
b. As³⁺
c. As⁵⁺
d. As³⁻

c. Arsenic (As)

General protoplasmic poison

a. Lead (Pb)
b. Mercury (Hg)
c. Arsenic (As)
d. Cadmium (Cd)

b. Paris Green

Copper acetoarsenate is also known as _________

a. Emerald Green
b. Paris Green
c. Scheele's Green
d. Verdigris

b. Copper acetoarsenate (Paris Green)

Used as insecticide

a. Copper sulfate

b. Copper acetoarsenate (Paris Green)

c. Lead arsenate

d. Calcium arsenate

c. Gutzeit's Test

Modified version of the Marsh Test.

a. Lunge Test
b. Beilstein Test
c. Gutzeit's Test
d. Giess-Ilosvay Test

c. Mee's Lines

_______ are a sign of toxicity from arsenic (As)

a. Aldrich-Mees Lines

b. Burton's Lines

c. Mee's Lines

d. Beau's Lines

c. Arsenic (As)

Mee's Lines are a sign of toxicity from which element?

a. Lead (Pb)
b. Mercury (Hg)
c. Arsenic (As)
d. Cadmium (Cd)

c. BAL (Dimercaprol)

Antidote for arsenic (As) toxicity

a. EDTA
b. Penicillamine
c. BAL (Dimercaprol)
d. Deferoxamine

b. Selenium and Tellurium

________ are elements that resemble the action of arsenic.

a. Calcium and Magnesium
b. Selenium and Tellurium
c. Sodium and Potassium
d. Iron and Copper

d. All of the above

• Arsphenamine

• Compound 606

• Magic Bullet

Salvarsan is also known as:

a. Arsphenamine

b. Compound 606

c. Magic Bullet

d. All of the above

a. Arsphenamine (Salvarsan, Compound 606, or Magic Bullet)

First anti-syphilis drug

a. Arsphenamine

b. Paris green

c. Scheele's green

d. Fowler's solution

e. Donovan's solution

c. Paul Ehrlich

He discovered the first anti-syphilis drug known as “Arsphenamine (Salvarsan, Compound 606, or Magic Bullet)”

a. Louis Pasteur
b. Robert Koch
c. Paul Ehrlich
d. Alexander Fleming

c. Paul Ehrlich

Known as the Father of Chemotherapy
a. Louis Pasteur
b. Robert Koch
c. Paul Ehrlich
d. Alexander Fleming

b. Paris green

Cupric acetoarsenite: Cu(C2H3O2)2 • 3Cu(AsO2)2 is also known as _____

a. Arsphenamine

b. Paris green

c. Scheele's green

d. Fowler's solution

e. Donovan's solution

b. Paris Green (Cupric Acetoarsenate)

It is used as a rodenticide, insecticide, pigment, and blue colorant for fireworks.

a. Scheele's Green
b. Paris Green (Cupric Acetoarsenate)
c. Fowler's Solution
d. Donovan's Solution

c. Scheele's green

Cupric hydrogen arsenite. is also known as ____

a. Arsphenamine

b. Paris green

c. Scheele's green

d. Fowler's solution

e. Donovan's solution

d. Fowler's solution

1% Potassium arsenite solution (KAsO2) is also known as ______

a. Arsphenamine

b. Paris green

c. Scheele's green

d. Fowler's solution

e. Donovan's solution

d. Fowler's solution (1% Potassium arsenite solution)

It was formerly used as an antileukemic agent.

a. Arsphenamine

b. Paris green

c. Scheele's green

d. Fowler's solution

e. Donovan's solution

d. Fowler's solution (1% Potassium arsenite solution)

Made by boiling potassium bicarbonate and arsenic trioxide with water until dissolved

a. Arsphenamine

b. Paris green

c. Scheele's green

d. Fowler's solution

e. Donovan's solution

d. Fowler's solution (1% Potassium arsenite solution)

Used in treatment of CML and polycythemia vera

a. Arsphenamine

b. Paris green

c. Scheele's green

d. Fowler's solution

e. Donovan's solution

e. Donovan's solution

Arsenic (III) iodide solution is also known as ____

a. Arsphenamine

b. Paris green

c. Scheele's green

d. Fowler's solution

e. Donovan's solution

e.Donovan's Solution (Arsenic III Iodide Solution)

Formerly used for trypanosome infection, Malaria, TB, RA, diabetes.

a. Arsphenamine

b. Paris green

c. Scheele's green

d. Fowler's solution

e. Donovan's Solution (Arsenic III Iodide Solution)

a. Red solution

Donovan's Solution (Arsenic III Iodide Solution) appears as a _____

a. Red solution

b. Blue solution

c. Yellow solution

d. Green solu

d. Donovan's Solution (Arsenic III Iodide Solution)

Primary standard in the preparation of ferric sulfate

a. Fowler's Solution
b. Paris Green
c. Scheele's Green
d. Donovan's Solution (Arsenic III Iodide Solution)

d. Antimony (Sb)

Stibium.

a. Nitrogen (N)
b. Phosphorus (P)
c. Arsenic (As)
d. Antimony (Sb)
e. Bismuth (Bi)

d. Antimony (Sb)

_______ produces a violet precipitate in the presence of Rhodamine B with hydrochloric acid (HCl).

a. Nitrogen (N)
b. Phosphorus (P)
c. Arsenic (As)
d. Antimony (Sb)
e. Bismuth (Bi)

c. Antimony Glance (Stibnite / Sb₂S₂)

The principal source of Antimony (Sb)

a. Cinnabar
b. Galena
c. Antimony Glance (Stibnite / Sb₂S₂)
d. Pyrite

c. Both a and b

• Stibnite

• Antimony sulfide (Sb₂S₂)

Antimony Glance is also known as:

a. Stibnite

b. Antimony sulfide (Sb₂S₂)

c. Both a and b

b. Red-orange

Antimony glance appears_______ in color.

a. Red-brown

b. Red-orange

c. Yellow-green

d. Yellow-orange