Nitrogen & Sulphur and their inorganic Compounds

What is the molecular formula of Ammonia?

• NH

• NH₃

• NO₂

• N₂O

Sulphur exists in several allotropes. Which one is the most stable at room temperature?

• Monoclinic Sulphur

• Rhombic Sulphur

• Liquid Sulphur

• Amorphous Sulphur

Which of the following is the primary compound responsible for the pungent smell of rotten eggs?

• HNO₃

• SO₂

• H₂S

• N₂O₅

What gas is evolved when concentrated nitric acid reacts with copper?

• Oxygen

• Nitrogen

• Carbon dioxide

• Nitrogen dioxide

Which of the following sulphur compounds is a major component in acid rain?

• Sulphur Dioxide (SO₂)

• Hydrogen Sulphide (H₂S)

• Nitrogen Trioxide (N₂O₃)

• Dinitrogen Pentoxide (N₂O₅)

What catalyst is commonly used in the Contact Process to convert SO₂ to SO₃?

• Vanadium (V) oxide

• Copper oxide

• Platinum chloride

• Nickel carbonate

Which of the following reactions represents the preparation of Sulphur Dioxide in the lab?

• Heating ammonium dichromate

• Burning sulphur in air

• Dissolving nitric acid in water

• Heating dinitrogen pentoxide

What is the primary industrial method of producing ammonia?

• Ostwald process

• Contact process

• Haber process

• Solvay process

When Sulphur Dioxide (SO₂) is bubbled through water, it forms:

• Nitrous Acid

• Sulphurous Acid

• Nitric Acid

• Sulphuric Acid

Which nitrogen oxide is known for its role in ozone depletion and is also a significant contributor to air pollution?

• Nitrogen Dioxide (NO₂)

• Nitric Oxide (NO)

• Dinitrogen Monoxide (N₂O)

• Dinitrogen Tetroxide (N₂O₄)