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Consider the following reduction process...

Consider the following reduction processes :
`Zn^(2+)+2e^(-)toZn(s), E^(o)=-0.76 V`
`Ca^(2+)+2e^(-)toCa(s),E^(o)=-2.87 V`
`Mg^(2+)+2e^(-)toMg(s),E^(o)=-2.36 V`
`Ni^(2+)+2e^(-)toNi(s), E^(o)=-0.25 V
The reducing power of the metals increases in the order :

A

` NiltZNltMglt` Ca

B

` CaltZnltMgltNi`

C

` ZNltMgltNiltCa`

D

` CaltMgltZnltNi`

Text Solution

Verified by Experts

`E_(zn//zn^(2+): +0.76 implies E_(ca//ca^(2+))^(0):+2.87 implies E_(Mg//Mg^(2+)^(0): +2.36`
`E_(zn//Ni^(2+))^(0) :+0.25`
Reducing ppwer `Ca gt Mggt zn gt Ni`
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