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Answer to Question #56282 in General Chemistry for Tracy Guido

Question #56282
ionic equations please thank you

2Al(s) + 6H2O(l) → 2Al(OH)3 + 3H2(g)
2Al(s) + 6HCl (aq) → 2AlCl3 (aq) + 3H2(g)
Fe(s) + 2HCl(aq) → FeCl2(aq) + H2(g)
2KBr(aq) + Cl2(s) 2KCl + Br2(s or l)
Br2 (s or l) 2 KBr(aq) + I2(s)
Expert's answer
2Al(s) + 6H2O(l) → 2Al(OH)3(s) + 3H2(g) ‒ Al(OH)3 doesn’t dissociate to the ions in water solution, that’s why there is no ionic equation for this reaction

2Al(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2(g)
2Al(s) + 6H+(aq) + 6Cl-(aq) → 2Al3+(aq) + 6Cl-(aq) + 3H2(g) ‒ full ionic equation
2Al(s) + 6H+(aq) → 2Al3+(aq) + 3H2(g) ‒ net ionic equation

Fe(s) + 2HCl(aq) → FeCl2(aq) + H2(g)
Fe(s) + 2H+(aq) + 2Cl-(aq) → Fe2+(aq) + 2Cl-(aq) + H2(g) ‒ full ionic equation
Fe(s) + 2H+(aq) → Fe2+(aq) + H2(g) ‒ net ionic equation

2KBr(aq) + Cl2(g) → 2KCl(aq) + Br2(g)
2K+(aq) + 2Br-(aq) + Cl2(g) → 2K+(aq) + 2Cl-(aq) + Br2(g) ‒ full ionic equation
2Br-(aq) + Cl2(g) → 2Cl-(aq) + Br2(g) ‒ net ionic equation

2KI(aq) + Br2(l) → 2KBr(aq) + I2(s)
2K+(aq) + 2I-(aq) + Br2(l) → 2K+(aq) + 2Br-(aq) + I2(s) ‒ full ionic equation
2I-(aq) + Br2(l) → 2Br-(aq) + I2(s) ‒ net ionic equation

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