State with reason whether the following reaction is spontaneous or not : `Sn^(2+)+2Fe^(3+)rarr Sn^(4+)+2Fe^(2+)`
`["Given, "E_(Fe^(3+)|Fe^(2+))^(@)=+0.77V, E_(Sn^(4+)|Sn^(2+))^(@)=+0.15V]`

Will Sn reduce Sn^(4)+ to Sn^(2+) ? [ Given E_(Sn^(2+)|Sn)^(@)=0.14V,E_(Sn^(4+)|Sn^(2+))^(@)= 0.15 V ]

Predict whether the following reaction will occur spontaneously or not: Co^(2+) + Sn rarr Co + Sn^(2+) E_(Co//Co^(2))^(@) = 0.277 volt and E_(Sn//Sn^(2+))^(@) = 0.136 volt

Represent symbolically the galvanic cells in which the following reaction occurs. Calculate the standard electromotive forces of the cells : (2) Fe+Sn^(2+)rarr Fe^(2+)+Sn Given : E_(Fe^(2+)|Fe)^(@)=-0.44V, E_(Sn^(2+)|Zn)^(@)=-0.14V , E_(Cu^(2+)|Cu)^(@)=0.34V, E_(Zn^(2+)|Zn)^(@)=-0.76V , E_(H^(+)|(1)/(2)H_(2))^(@)=0.00V .

Predict whether the following reaction can occur under standard conditions or not. Sn^(2+) (aq) +Br_(2)(l) rarr Sn^(4+) (aq) +2Br^(-)(aq) Given: E_(Sn^(4+)//Sn^(2+))^(@) = + 0.15, E_(Br^(2)//Br^(-))^(@) = 1.06V .

Predict whether the following reaction can occur under standard conditions or not. Sn^(2+) (aq) +Br_(2)(l) rarr Sn^(4+) (aq) +2Br^(-)(aq) Given: E_(Sn^(4+)//Sn^(2+))^(@) = + 0.15, E_(Br^(2)//Br^(-))^(@) = 1.06V .

Predict whether the following reaction can occur under standard conditions or not. Sn^(2+) (aq) +Br_(2)(l) rarr Sn^(4+) (aq) +2Br^(-)(aq) Given: E_(Sn^(4+)//Sn^(2+))^(@) = + 0.15, E_(Br^(2)//Br^(-))^(@) = 1.06V .

Calculate at 25^(@) C , the equilibrium constant for the reaction : 2 Fe^(3+) + Sn^(2+) hArr 2 Fe^(2+) + Sn^(4+) Given that E_((Fe^(3+)|Fe^(2+)))^(Theta) = 0.771 V , E_((Sn^(4+) |Sn^(2+)))^(Theta) = 0.150 V

Balance the following equations a. Fe^(2+) + Sn^(+2) rarr Sn^(4+) + fe^(2+)

Represent symbolically the galvanic cells in which the following reaction occurs. Calculate the standard electromotive forces of the cells : (1) Fe+CuSO_(4)rarr FeSO_(4)+Cu Given : E_(Fe^(2+)|Fe)^(@)=-0.44V, E_(Sn^(2+)|Zn)^(@)=-0.14V , E_(Cu^(2+)|Cu)^(@)=0.34V, E_(Zn^(2+)|Zn)^(@)=-0.76V , E_(H^(+)|(1)/(2)H_(2))^(@)=0.00V .