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Electrochemistry
a)
b) A is better for coating the surface of the iron because its E0 value is more negative.
Or
a) 
b) A device used for the production of electricity from energy released during the spontaneous chemical reaction and the use of electrical energy to bring about a chemical change. The reaction gets reversed / It starts acting as an electrolytic cell & vice – verse.
Some More Questions From Electrochemistry Chapter
Can you store copper sulphate solutions in a Zinc pot?
Why does the conductivity of a solution decrease with dilution?
Suggest a way to determine the Λ°m value of water.
The molar conductivity of 0.025 mol L–1 methanoic acid is 46.1 S cm2 mol–1. Calculate its degree of dissociation and dissociation constant. Give λ°(H+) = 349.6 S cm2 mol–1 and λ° (HCOO– ) = 54.6 s cm2 mol–1.
If the current of 0.5 ampere flows through a metallic wire for 2 hours, then how many electrons flow through the wire?
Suggest a list of metals that are extracted electrolytically.
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Mock Test Series
Mock Test Series