Chemistry Quiz

Which of the following compounds is most acidic?

• Phenol

• Ethanol

• Acetic acid

• Water

Which of the following is an example of a heterogeneous catalyst?

• H₂SO₄ in esterification

• Ni in the hydrogenation of oils

• Fe³⁺ in the decomposition of H₂O₂

• Pt in contact process

Which of the following shows a +3 oxidation state?

• FeCl₂

• FeCl₃

• NaCl

• MgCl₂

The rate of a chemical reaction doubles when the temperature is increased by 10°C. This is due to:

• Increase in activation energy

• Increase in collision frequency

• Decrease in activation energy

• Increase in reactant concentration

Which of the following has a linear structure?

• CO₂

• H₂O

• NH₃

• SO₂

Which of the following is a non-reducing sugar?

• Glucose

• Maltose

• Sucrose

• Lactose

The hybridization of the central atom in BF₃ is:

• sp³

• sp²

• sp

• dsp²

Which of the following compounds is aromatic?

• Cyclobutane

• Cyclohexene

• Benzene

• Cyclopentane

The molecular formula of benzene is:

• C₆H₆

• C₆H₁₂

• C₇H₁₄

• C₈H₈

Which of the following solutions has the highest boiling point?

• 1 M NaCl

• 1 M Glucose

• 1 M Urea

• 1 M Sucrose