Quizz

Which of the following is the correct order of acidity for the given compounds?

• Ethanol > Acetic acid > Water > Ammonia

• Ammonia > Water > Acetic acid > Ethanol

• Water > Ethanol > Acetic acid > Ammonia

• Acetic acid > Ethanol > Ammonia > Water

Which of the following statements accurately describes a physical property of gases?

• The molar volume of a gas increases with decreasing temperature.

• Gases always occupy the entire volume of the container they are in.

• The density of a gas is directly proportional to its molecular weight.

• Gases exhibit strong intermolecular forces of attraction

Which of the following compounds is an example of an aromatic compound?

• Ethanol

• Benzene

• Acetone

• Methanol

When 2-methylbut-2-ene undergoes hydration in the presence of acid, which of the following products is formed?

• 2-Methyl-2-butanol

• 2-Methyl-1-butanol

• 3-Methyl-2-butanol

• 1-Methyl-1-butanol

5. Which of the following is a characteristic of an exothermic reaction?

• Heat is absorbed from the surroundings.

• The entropy of the system decreases.

• The products have lower energy than the reactants.

• The reaction rate increases with increasing temperature.