Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryRedox Reactions2 Marks
Question
Explain redox reaction giving an example.
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Answer
Oxidation and reduction reactions occur simultaneously.
Therefore, oxidation$-$reduction reaction is also referred as redox reaction.
e.g. $\underset{\begin{array}{c}\text { Mercury(II) } \\ \text { chloride }\end{array}}{2 \ce{HgCl_2}}+\underset{\substack{\text { Tin(II) } \\ \text { chloride }}}{ \ce{SnCl_2}} \longrightarrow \underset{\begin{array}{c}\text { Mercury(I) } \\ \text { chloride }\end{array}}{ \ce{Hg_2Cl_2}}+\underset{\substack{\text { Tin(IV) } \\ \text { chloride }}}{ \ce{SnCl_4}}$
In the above reaction, $\ce{HgCl_2}$ is reduced to $\ce{Hg_2Cl_2}$ and $\ce{SnCl_2}$ is oxidised to $\ce{SnCl_4}$.
Hence, it is a redox reaction.
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