Question

The table shows the characteristics of four substances after they are placed in water.

Substance
Ion concentration
Electrical conductivity
W
Medium
Good
X
Low
Poor
Y
High
Excellent
Z
None
None


Which compound is most likely the strongest electrolyte?
W
X
Y
Z

Answer 1

Y

Y shows high ion concentration and excellent electrical conductivity, which indicate it dissociates nearly completely in water — the behavior of a strong electrolyte.