JAMB - Chemistry (2002 - No. 25)
Which of the following gives a precipitate when treated with NaOH solution?
AlCl3
NH4CL
CH3COONa
Na2CO3
Explicaţie
The reaction of aluminum chloride, AlCl\(_3\) and sodium hydroxide (NaOH) produces a white precipitate of aluminum hydroxide Al(OH)\(_3\).