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Electrochemistry question

2012 · Shift 0 · Q8

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JEE Main
Chemistry
Electrochemistry
2012 · Shift 0 · Q8

Electrochemistry question

2012 · Shift 0 · Q8

JEE MainChemistryElectrochemistryMCQ+4 / −1

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+}

\to

X^{2+}

+ Y will be spontaneous when :

A
X = Ni, Y = Fe
B
X = Ni, Y = Zn
C
X = Fe, Y = Zn
D
X = Zn, Y = Ni

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