What are uses of Mercury cell and why?
Uses: Low current devices like hearing aids and watches. Key Feature: The cell potential remains constant (approx. ) throughout its life. Reason: The overall cell reaction does not involve any ions in the solution whose concentration changes during its life.
Use our Spaced Repetition flashcards to memorize Batteries and ace your exams.
Start Practicing NowIn a Daniell cell, what happens to the current flow if an external opposing potential () slightly greater than 1.1 V is applied?.
What is the sign of Gibbs Free Energy () for a cell reaction to be spontaneous?.
Why is the Standard Hydrogen Electrode (SHE) potential taken as zero?.
Which material is used as the inert electrode in a Standard Hydrogen Electrode (SHE)?.
What defines an Inert Electrode? Give 2 common examples used in JEE problems.