01. ampere current is passed for 10 second through copper and silver voltameters . The metal that is deposited more isA. CuB. AgC. both (a) and (b)D. no effect

01. ampere current is passed for 10 second through copper and silver v

1.	01. ampere current is passed for 10 second through copper and silver voltameters . The metal that is deposited more isA. CuB. AgC. both (a) and (b)D. no effect
Answer» Correct Answer - B `w alpha E` : provided Q is constant `, E_(Ag)^(@) gt E_(Cu)^(@)`

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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 ?

01. ampere current is passed for 10 second through copper and silver voltameters . The metal that is deposited more isA. CuB. AgC. both (a) and (b)D. no effect

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