નીચેનામાંથી કઇ પ્રક્રિયા રેડોક્ષ છે ?

$I.\,C{r_2}{O_7}^{2 - }\, + \,2O{H^ - }\, \to \,Cr{O_4}^{2 - }\, + \,{H_2}O$

$II.\,Zn\, + \,CuS{O_4}\, \to \,ZnS{O_4}\, + \,Cu$

$III.\,2Mn{O_4}^ - \, + \,3M{n^{2 + }}\, + \,4O{H^ - }\, \to \,5Mn{O_2}\, + \,2{H_2}O$

$IV.\,2C{u^ + }\, \to \,Cu\, + \,C{u^{2 + }}$

Question

નીચેનામાંથી કઇ પ્રક્રિયા રેડોક્ષ છે ?

$I.\,C{r_2}{O_7}^{2 - }\, + \,2O{H^ - }\, \to \,Cr{O_4}^{2 - }\, + \,{H_2}O$

$II.\,Zn\, + \,CuS{O_4}\, \to \,ZnS{O_4}\, + \,Cu$

$III.\,2Mn{O_4}^ - \, + \,3M{n^{2 + }}\, + \,4O{H^ - }\, \to \,5Mn{O_2}\, + \,2{H_2}O$

$IV.\,2C{u^ + }\, \to \,Cu\, + \,C{u^{2 + }}$

Diffcult

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Solution

d

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