Higher Chemistry Starter Questions - Hydrogen Bonding

Hydrogen bonding occurs when hydrogen is directly bonded to which of the following atoms?

• Carbon, Oxygen, Nitrogen

• Oxygen, Nitrogen, Fluorine

• Oxygen, Carbon, Fluorine

• Nitrogen, Sulfur, Fluorine

Which molecule exhibits hydrogen bonding?

• CH₄

• H₂O

• CO₂

• Cl₂

Which of the following compounds would you expect to have the highest boiling point?

• HF

• HCl

• HBr

• HI

Which of the following molecules does NOT show hydrogen bonding?

• NH₃

• CH₃OH

• H₂S

• HF

In hydrogen bonding, the hydrogen atom acts as a:

• Partial negative center

• Partial positive center

• Full positive ion

• Full negative ion

Which of these substances can form hydrogen bonds with water?

• CCl₄

• NH₃

• CH₄

• CO₂

Hydrogen bonding is responsible for which property of water?

• Its low density as a solid

• Its low boiling point

• Its poor solvent ability

• Its low surface tension

What is the effect of hydrogen bonding on the solubility of alcohols in water?

• It decreases solubility

• It increases solubility

• It has no effect

• It causes precipitation

Which statement best describes hydrogen bonding?

• It is a type of covalent bond

• It occurs between two metal atoms

• It is a weak bond between a hydrogen atom and an electronegative atom

• It is a bond that forms between two hydrogen atoms

Which of the following molecules would you expect to be the most viscous?

• H₂O

• C₅H₁₂

• C₂H₅OH

• C₃H₅(OH)₃