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Based on the data given below, the corre...

Based on the data given below, the correcy order of reducing power is:
`Fe_((aq.))^(3+) + e rarr Fe_((aq.))^(2+), E^(@) = +0.77 V`
`Al_((aq.))^(3+) + 3e rarr Al_((s)), E^(@) = -1.66 V`
`Br_(2(aq.)) + 2e rarr 2Br_((aq.))^(-), E^(@) = +1.08 V`

A

`Br^(-) lt Fe^(2+) lt Al`

B

`Fe^(2+) lt Al lt Br^-`

C

`Al lt Br^(-) lt Fe^(2+)`

D

`Al lt Fe^(2+) lt Br^(-)`

Text Solution

Verified by Experts

The correct Answer is:
A
Lower the reduction potential, more is the reducing power .
`Br^-` lt `Fe^(2+)` lt Al
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Based on the data given below, the correct order of reducing power is: Fe_((aq.))^(3+) + e rarr Fe_((aq.))^(2+), E^(@) = +0.77 V Al_((aq.))^(3+) + 3e rarr Al_((s)), E^(@) = -1.66 V Br_(2(aq.)) + 2e rarr 2Br_((aq.))^(-), E^(@) = +1.08 V

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Based on data given below for the electrode potential , reducing power of Fe^(2+) , Al and Br^(-) will increase in the order Br_(2)(aq)+2e^(-)rarr2Br^(-)(aq),E^@=+1.08V Al^(3+)(aq)+3e^(-)rarrAl(s),E^@=-1.66V Fe^(3+)(aq)+e^(-2)rarrFe^(+2) (aq) , E^(@) =+0.77V

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On the basis of the following E^(@) values, the stongest oxidizing agent is [Fe(CN)_(6)]^(4-) rarr [Fe(CN)_(6)]^(3-)+e^(-), E^(@) = -0.35 V Fe^(2+) rarr Fe^(3+)+e^(-), E^(@) = -0.77 V

Given : Fe^(2+)(aq)+2e^(-) rarr Fe(s), " "E^(c-)=-0.44V Al^(3)+3e^(-) rarr Al(s)," "E^(c-)=-1.66V Br^(2+)+2e^(-)rarr 2Br^(c-)(aq)" "E^(c-)=-1.08V The decreasing order of reducing power is ……………………………….. .

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