Pre-AP chem unit 2

Front

What explains the very high melting and boiling point of water? Options: Strong dipole-dipole bonds between water molecules, Strong hydrogen bonds between water molecules, Dispersion forces which are present in all molecules, Asymmetrical shape of the polar bonds.

Back

Strong hydrogen bonds between water molecules

Front

Does CH₄ have hydrogen bonding?

Back

no

Front

Which of these has ONLY London forces? I₂, NH₃, OCl₂, SH₂

Back

I₂

Front

Which substance would have the weakest intermolecular forces of attraction? CH₄, NaCl, H₂O, MgF₂

Back

CH₄

Front

Intermolecular forces for: NH₃

Back

Hydrogen bonding

Front

Ionic Bonding involves...

Back

The transfer of electrons

Front

Which substance has the weakest intermolecular forces? Options: Substance A, boiling point of 75 °C; Substance B, boiling point of 105 °C; Substance C, boiling point of 25 °C; Substance D, boiling point of 45 °C

Back

Substance C, boiling point of 25 °C

Front

The weaker the intermolecular forces of a substance the _____________ the boiling point

Back

lower

Front

Intermolecular forces for: CO₂

Back

Dispersion Force

Front

A lone pair is defined as

Back

A pair of non-bonding electrons