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How to solve this problem- Consider the following reduction processes The reducing power of the metals increases in order :

Consider the following reduction processes

The reducing power of the metals increases in order :

 

  • Option 1)

     

    Ca < Zn < Mg < Ni

  • Option 2)

     

    Ni < Zn < Mg < Ca

  • Option 3)

     

    Zn < Mg < Ni < Ca

  • Option 4)

     

    Ca < Mg < Zn < Ni

Answers (1)
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Reduction -

Removal of Oxygen / electronegative element from a substance of addition of hydrogen / electropositive element to substance.

- wherein

e.g.2HgO\overset{\bigtriangleup }{\rightarrow}2Hg(l) + O_{2}(g)

 

 

 

Electrode Potential -

The potential associated with each electrode is known as electrode potential.

-

 

 

Standard Electrode Potential Value -

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Standard reduction potential -

It measure the tendency of a chemical species to acquire electrons and there by be reduced. It is measured in volts or mv.

-

 

 


Option 1)

 

Ca < Zn < Mg < Ni

Option 2)

 

Ni < Zn < Mg < Ca

Option 3)

 

Zn < Mg < Ni < Ca

Option 4)

 

Ca < Mg < Zn < Ni

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