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reaction of metals

Posted: Tue Apr 03, 2007 9:03 am
by owen
what metals react with alkalis and what do they give out?
Thanks for your help. :D

Posted: Tue Apr 03, 2007 7:27 pm
by Sam
Metals with amphoteric hydroxides react with alkali and give out complex salts, for instance:
2Al + 2KOH +6H2O = 2K[Al(OH)4] + 3H2