Chapter 9 Quiz

Which statement correctly describes NaCl?

• Its charge is evenly distributed
• It is a polar molecule
• It is ionic, and its charges are distributed unevenly

Which of the following molecules, based on the elements present, would be most polar?

• HF
• H₂
• HCl
• HBr

Which molecule would be most soluble in water?

• Solid iodine, I_2(s)
• Glucose, C₆H₁₂O_6(s)

A molecule containing polar covalent bonds is always polar.

• True
• False

Is this molecule polar or non-polar?

• Polar

• Non-polar

In covalent bonds, electrons are ___________.

• transferred
• gained
• lost
• shared

A molecular geometry with 3 bonding pairs is

• Trigonal pyramidal

• Trigonal planar

• Trigonal bipyramidal

• T-shaped

A molecular geometry with 2 lone pairs and 2 bonding pairs is

• Tetrahedral

• Trigonal pyramidal

• Bent

• Linear

what is the arrangement of electron pair of a molecule with 3 lone pairs and 2 bonding pairs

• Linear

• Trigonal planar

• Octahedral

• Trigonal bipyramidal

The bond angle of trigonal planar is

• 90 degrees

• 120 degrees

• Less than 120 degrees

• Less than 90 degrees