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[" Q.22The standard reduction potentials...

[" Q.22The 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+)rarr X^(2+)+Y" will be spontaneous,"],[" when: "],[[" when ":," (2) "X=N" i,"Y=Zn],[" (3) "X=Fe,Y=Zn," (4) "X=Zn,Y=Ni]]

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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:

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:

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 :

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:

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 -