Organic Chemistry Assessment

Which of the following molecular orbitals is formed by the constructive interference of atomic orbitals?

• Bonding orbital

• Antibonding orbital

• Non-bonding orbital

• Hybrid orbital

In the molecular orbital diagram for nitrogen (N₂), what is the bond order?

• 1

• 2

• 3

• 4

Which of the following statements is true about the molecular orbital configuration of diatomic helium (He₂)?

• He₂ is stable with a bond order of 1

• He₂ is unstable with a bond order of 0

• He₂ is stable with a bond order of 2

• He₂ is unstable with a bond order of -1

Which of the following is an isotope?

• Carbon-12 and Carbon-14

• Carbon-12 and Nitrogen-14

• Carbon-14 and Oxygen-16

• Nitrogen-14 and Oxygen-16

Which application of radioisotopes is used to determine the age of archaeological artifacts?

• Rock dating

• Carbon dating

• Medicinal applications

• Nuclear fusion

Which of the following is a primary component of natural gas?

• Butane

• Propane

• Methane

• Ethane

Silicones are widely used in various applications due to their unique properties. Which of the following is a key property of silicones?

• High reactivity with acids

• High thermal stability

• High electrical conductivity

• High solubility in water

Which of the following fuel gases is known for being compressed to reduce its volume for transportation purposes?

• Water gas

• Producer gas

• CNG (Compressed Natural Gas)

• Carbureted water gas

Which fertilizer is primarily composed of nitrogen and is commonly used in agriculture?

• Potassium nitrate

• Urea

• Superphosphate

• Triple superphosphate

Triple superphosphate is a type of fertilizer that primarily provides which essential nutrient to plants?

• Nitrogen

• Phosphorus

• Potassium

• Sulphur