shubhamtonk3624 shubhamtonk3624

15-08-2017
Chemistry

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Solid sodium bromide decomposes into bromine gas and solid sodium . write a balanced chemical equation for this reaction.

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akiyama316 akiyama316

21-08-2017

[tex]NaBr(s) -----\ \textgreater \ Na(s) + Br_2(g)[/tex]

We can balance like the following:

[tex]2NaBr(s) -----\ \textgreater \ 2Na(s) + Br_2(g)[/tex]

In NaBr both the oxidation states are +1 and -1 respectively.After the reaction Na reduced to Na+ and Br- oxidised to Br2.So NaBr is a redox reaction,not a decomposition reaction.

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