The tendencies of the electrodes made up of Cu, Zn and Ag to release electrons when dipped in their respective salt solutions decrease in the order :A. `Zn gt Ag gt Cu`B. `Cu gt Zn gt Ag`C. `Zn gt Cu gt Ag`D. `Ag gt Cu gt Zn`

The tendencies of the electrodes made up of Cu, Zn and Ag to release e

1.	The tendencies of the electrodes made up of Cu, Zn and Ag to release electrons when dipped in their respective salt solutions decrease in the order :A. `Zn gt Ag gt Cu`B. `Cu gt Zn gt Ag`C. `Zn gt Cu gt Ag`D. `Ag gt Cu gt Zn`
Answer» Correct Answer - C

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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^(-)`
What are elementary reactions ?

The tendencies of the electrodes made up of Cu, Zn and Ag to release electrons when dipped in their respective salt solutions decrease in the order :A. `Zn gt Ag gt Cu`B. `Cu gt Zn gt Ag`C. `Zn gt Cu gt Ag`D. `Ag gt Cu gt Zn`

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