Class 12 Chemistry — Chapter 2: Electrochemistry
98 practice questions · 33 Easy · 33 Medium · 32 Hard
Free NCERT-aligned multiple-choice practice for Class 12 Chemistry, Chapter 2 (Electrochemistry). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 98.
Sample questions
In a galvanic cell, oxidation occurs at the:
Anode = oxidation (loss of electrons). Cathode = reduction.
Standard emf of a cell is given by:
E°_cell = E°_cathode − E°_anode (both as reduction potentials).
How many faradays are required to deposit 1 mol of Al from molten Al₂O₃?
Al³⁺ + 3e⁻ → Al. So 3 mol electrons = 3 F per mol of Al.
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