BONDING FOR ALEVEL

Which of the following has the lowest boiling point?

• CaCl₂
• PH₃
• Cl₂
• N₂

Which of the following will take the longest to evaporate?

• CH₃CH₂OH

• CH₃OH

• CH₃CH₃

• CH₃OCH₃

Which of the following would best remove Sharpie marker from your wall if this marker is known to be non-water soluble.

• salt water

• ammonia

• acetone (finger nail polish remover)

• distilled water

What forces will the following molecule have?

• Van der Waals forces

• dipole

• hydrogen bonding

Which of the following will most likely dissolve in olive oil?

• octane

• ethanol

• water

• phosphine, PH₃

The geometry of the SO₃ molecule is best described as

• trigonal planar

• trigonal pyramidal

• square pyramidal

• bent

Which of the following molecules has the shortest bond length?

• N₂

• O₂

• Cl₂

• Br₂

Pi bonding occurs in each of the following species EXCEPT

• CO₂

• CN^-

• C₆H₆

• CH₄

Which of the following has a zero dipole moment?

• HCN

• NH₃

• NO₂

• PF₅

Of the following molecules, which has the largest dipole moment?

• CO

• CO₂

• O₂

• HF