Name ____________________________________ Ionic vs. Covalent Lab
Compound
Melting point
(high or low)
Solubility in water
(high or low)
Conductivity of
the aqueous
solution (high or
low)
Ionic or Covalent?
barium chloride
BaCl2
Urea
CO(NH2)2
potassium iodide
KI
Acetaminophen
C8H9NO2
sodium chloride
NaCl
Sucrose
C12H22O11
1. What general rule can be stated concerning the melting point of ionic compounds compared to
covalent compounds?
2. What general rule can be stated concerning the conductivity of aqueous solutions of ionic
compounds compared to the conductivity of aqueous solutions of covalent compounds?
3. Based on your data, is solubility in water a reliable way to distinguish between ionic and
covalent compounds?
Explain