Question

2BrO35NO2 H20 >Br2+ 5NO3+ 20H In the above redox reaction, use oxidation numbers to identify the element oxidized, the elemen

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Answer #1

Br in BrO3- has oxidation state of +5

Br in Br2 has oxidation state of 0

So, Br in BrO3- is reduced to Br2

This makes BrO3- an oxidising agent

N in NO2- has oxidation state of +3

N in NO3- has oxidation state of +5

So, N in NO2- is oxidised to NO3-

This makes NO2- a reducing agent

Answer:

Name of element oxidised: Nitrogen

Name of element reduced: Bromine

Formula of the oxidising agent: BrO3-

Formula of the reducing agent: NO2-

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