Which of the following hydroxides will readily dissolved in water?

Assessment: WAEC SSCE - Chemistry - 2009 (Objective) Subject: Chemistry

Question 1 Report

Which of the following hydroxides will readily dissolved in water?
Answer Details
NaOH will readily dissolve in water. This is because it is a strong base and its ionic bonds with Na+ and OH- are easily broken in the presence of water, allowing the ions to separate and become hydrated. In contrast, Cu(OH)2, Pb(OH)2, and Zn(OH)2 are relatively insoluble in water, meaning that their ionic bonds are not easily broken and they do not readily dissociate into their constituent ions in water.
Read lesson note on Solubility Of Substances (Ghana Only) (WAEC)
Read lesson note on Acids, Bases And Salts (Ghana Only) (WAEC)
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