Electrochemistr...

When molten lithium chloride $$(LiCl)$$ is electrolyzed, lithium metal is formed at the cathode. If current efficiency is $$75\%$$ then how many grams of lithium are liberated when $$1930\ C$$ of charge pass through the cell? (Atomic weight : $$Li=7$$)

How many Faraday are required to reduce one mol of $${ MnO }_{ 4 }^{ - }$$ to $${ Mn }^{ 2+ }$$?

A schematic representation of enthalpy changes for the reaction, $${ C }_{ graphite }$$ + $$\frac { 1 }{ 2 } { O }_{ 2 }$$ (g) $$\rightarrow $$ CO (g) is given below. The missing value is

 Amount of charge is required to convert 17 gm $$H_2O_2$$ into $$O_2$$:-

Identify the correct half cell reaction of the following:
$$Zn + CuSO_4 \rightarrow ZnSO_4 + Cu$$

If a pieces of iron gains $$10\%$$ of its mass due to partial rusting into $$Fe_{2}O_{3}$$ the percentage of total iron that has rusted is

Electrolysis can be used to determine atomic masses. A current of $$0.550$$  A deposits $$0.55 $$ g of a certain metal in $$100$$ minutes. Calculate the atomic mass of the metal is $$ n = 3$$ :

A magnet is pulled away from a conducting coil in a circuit. The direction of the induced emf in the coil can be found from...........

On the basis of the electrochemical theory of aqueous corrosion, the reaction occurring at the cathode is :

Three faradays of electricity are passed through molten $$Al_2O_3$$, aqueous solution of $$CuSO_4$$ and molten $$NaCl$$ taken in different electrolytic cells. The amount of $$Al$$ $$Cu$$ and $$Na$$ deposited at the cathodes will be in the ratio of?