Respuesta :

kenmyna
Equation two that  is Cr  ion plus  3e-  ->cr(s)  E -0.91 is  the  equation which  has  tendency  to  be  reversed  in a spontaneous  redox  reaction.This  is  because  it  has a  more high   negative  value  of  E -0.91  which  is  more  negative than  other  equation.

its B even though im late to respond

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