Transition Metals- TEST FOR IONS

Question 1

what test is used for aluminum?

Answer 1

-add sodium hydroxide, aluminium hydroxide precipitate dissolves in EXCESS NaOH, as its emphoteric

Question 2

what is the test for copper?

Answer 2

-copper hydroxide ppt is formed in excess ammonia, turns from pale blue to DARK BLUE
-this is as its ligand substitution

Question 3

what is the products when sodium carbonate reacts with TM metals?

Answer 3

-Al3+ and Fe3+ react with carbonates to form ppt and bubbles
-Cu2+ and Fe2+ will form ppt only