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Identifying the type of the equation

  • #1
161
6

Homework Statement


Match the type of equation to the following.
2Al(s) + 6Br−(aq) + 6H+(aq) → 2Al3+(aq) + 6Br−(aq) + 3H2(g)
2Al(s) + 6HBr(aq) → 2Al3+(aq) + 6Br−(aq) + 3H2(g)
2Al(s) + 6HBr(aq) → 2AlBr3(aq) + 3H2(g)
2Al(s) + 6H+(aq) → 2Al3+(aq) + 3H2(g)

Homework Equations




The Attempt at a Solution


The first one is obviously ionic since all the aqueous solutions are split up into their ions
The second one is the one confusing, since The aqueous product is split into it's ions, but HBr isn't. I have no idea what it is.
The third one is a molecular equation
the fourth one looks to be a net ionic equation.
 

Answers and Replies

  • #2
symbolipoint
Homework Helper
Education Advisor
Gold Member
5,858
1,039
They all look like oxidation-reduction. Each starts with reduced metal aluminum and become ionic aluminum ions or compounds.
 
  • #3
Borek
Mentor
28,360
2,753
Yep, second one defies simple classification attempts.
 

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