Identify the hydroxide which is soluble in excess of NaOH
Zn(OH)2
Fe(OH)3
Fe(OH)2
Mg(OH)2
Zinc hydroxide is soluble in excess of NaOH
The hydroxide of which metal ion is soluble in excess of sodium hydroxide solution.
A metal salt (M) on reacting with sodium hydroxide forms sodium sulphate and a gelatinous white precipitate of a metal hydroxide. The precipitate is soluble in excess of sodium hydroxide. Identify M.