6K.5

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Rida Ismail 2E
Posts: 139
Joined: Sat Sep 07, 2019 12:16 am

6K.5

Postby Rida Ismail 2E » Mon Mar 02, 2020 2:22 pm

Can someone please help me with part a. I don’t understand how ozone is being reduced.

Balance each of the following skeletal equations by using oxidation and reduction have reactions. All the reactions take place in basic solution. Identify the oxidizing agent and reducing agent in each reaction.

a) O3(aq)+Br-(aq)—> O2(g)+BrO3-(aq)

I thought that O3 and O2 both have an ox # of 0 but according to the solutions O3 is reduced to O2. I don’t understand that. Could someone please explain it to me.

Ryan Narisma 4G
Posts: 104
Joined: Fri Aug 30, 2019 12:18 am

Re: 6K.5

Postby Ryan Narisma 4G » Mon Mar 02, 2020 3:32 pm

Hi Rida Ismail 2E! Ozone is reduced because the oxidation number of oxygen changes from 0 to -2. If you take a look at the bromate ion (BrO3-) the oxidation number of the oxygen is -2. However the bromide ion changes from an oxidation number of -1 to +5, it oxidized to a really high positive number. I hope this helps!


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