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The standard reduction potential for Zn^...

The standard reduction potential for `Zn^(2+)//Zn, Ni^(2+)//Ni` and `Fe^(2+)//Fe` are `-0.76, -0.23` and `0.44V` respectively. The reaction `X + Y^(2) rarr X^(2+) + Y` will be spontaneous when:

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The standard reduction potentials for Zn^(2+)//Zn, Ni^(2+)/Ni and Fe^(2+)/Fe are -0.76,-0.23 and-0.44 V respectively. The reaction: X+Y^(2+) rarrX^(2+)+y will be spontaneous when :

The standard reduction potentials for Zn^(2+)//Zn,Ni^(2+)//Ni and Fe^(2+)//Fe are -0.76,-0.23 and -0.44V respectively. The reaction X+Y^(2+)to X^(2)+Y will be spontaneous when :

The standard reduction potentials for Zn^(2+)|Zn, Ni^(2+)|Ni and Fe^(2+)|Fe are -0.76, -0.23 and 0.44V respectively. The reaction x+y^(2+)rarr x^(2+)+y will be spontaneous when -

The standard reduction potentials for Zn^(2+)|Zn , Ni^(2+)|Ni and Fe^(2+)|Fe are -0.76, -0.23 and -0.44V respectively. The reaction X+Y^2rarrX^2+Y will be spontaneous when