Cations present in slightly acidic solution are Al3+, Zn2+ and Cu2+
CHEMISTRY · Single correct · GCSE · Chemistry · Chemical Analysis · Chemical Analysis
Problem
Cations present in slightly acidic solution are Al3+, Zn2+ and Cu2+. The reagent which when added in excess to this solution would identify and separate Cu2+ in one step is :
(1) HCl acid
(2) NH3 solution
(3) NaOH solution
(4) Na2CO3 solution