Problem 5 vs 13

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Amy Zheng 2l
Posts: 57
Joined: Fri Sep 29, 2017 7:04 am

Problem 5 vs 13

Postby Amy Zheng 2l » Sat Feb 24, 2018 1:37 am

In problem 5a, the oxidation reaction is: Br-->BrO3-
In problem 13a, the oxidation reaction is: H2->H+

How come for number 13, it's not h2->HCl but in 5 its br->BrO3-

Abdullah2I
Posts: 41
Joined: Fri Sep 29, 2017 7:06 am

Re: Problem 5 vs 13

Postby Abdullah2I » Sat Feb 24, 2018 11:40 am

i have the same question

Andy Liao 1B
Posts: 52
Joined: Thu Jul 13, 2017 3:00 am

Re: Problem 5 vs 13

Postby Andy Liao 1B » Sat Feb 24, 2018 1:43 pm

Cl- is a spectator ion, whereas O2- is not. A spectator ion exists in the same form on both the reactant and product sides of a chemical equation, so when writing a net ionic equation, spectator ions found in the original equation are ignored.


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