Answer to Question #119112 in Physical Chemistry for emmanuel ndu

Question

what would be your observation when excess drops of NaOH is added to aluminium sa

Answer 1

Answer:aluminum interacts with sodium hydroxide in an aqueous solution to form aluminum hydroxide, which precipitates. However, the reaction does not stop there, but proceeds with the formation of sodium hydroxoaluminate, that is, with an excess of alkali, the hydroxide begins to dissolve, and the total reaction looks like this: 2Al+2NaOH+6H₂O=2Na[Al(OH)₄]+3H₂