Given,for $Sn^{4+} / Sn^{2+}$,standard reduction potential is $0.15 \ V$ and for $Au^{3+} / Au$,standard reduction potential is $1.5 \ V$. For the reaction,$3 Sn^{2+} + 2 Au^{3+} \longrightarrow 3 Sn^{4+} + 2 Au$,the value of $E_{\text{cell}}^{\circ}$ is:

  • A
    $+1.35 \ V$
  • B
    $+2.55 \ V$
  • C
    $-1.35 \ V$
  • D
    $-2.55 \ V$

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