Class 12 · Chemistry
Electrochemistry
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ChemistryPlate 62
NeetVellum atlas · fig. chemistry
62
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Three examples from the live 250-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
In a galvanic cell that is delivering current, which one of the following statements is correct?
- A. Electrons flow from the cathode to the anode through the external circuit
- B. The anode acquires a positive polarity
- C. Cations of the salt bridge migrate towards the cathode compartment
- D. Oxidation occurs at the cathode
Example 2 · difficulty 2/5
For the cell Zn(s) | Zn²⁺(0.1 M) || Cu²⁺(0.01 M) | Cu(s), the standard cell potential is 1.10 V at 298 K. The EMF of the cell will be:
- A. 1.10 V
- B. 1.07 V
- C. 1.13 V
- D. 1.04 V
Example 3 · difficulty 3/5
The standard EMF of a cell operating the reaction Zn(s) + Cu²⁺(aq) ⇌ Zn²⁺(aq) + Cu(s) is 1.10 V at 298 K. The equilibrium constant of the reaction is approximately:
- A. 2 × 10³⁷
- B. 2 × 10¹⁸
- C. 10³⁷
- D. 5 × 10³⁶
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many Electrochemistry NEET questions are available?
NeetVellum publishes 250 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Electrochemistry for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.