Example 1 · difficulty 3/5
The limiting molar conductivity of K₂SO₄ is 307.0 S cm² mol⁻¹, and λ°(K⁺) is 73.5 S cm² mol⁻¹. What is λ°(SO₄²⁻)?
- A. 80.0 S cm² mol⁻¹
- B. 153.5 S cm² mol⁻¹
- C. 160.0 S cm² mol⁻¹
- D. 233.5 S cm² mol⁻¹
2026 source guide · Chemistry
NEET 2026 Chemistry Electrochemistry Questions
Use this page to connect the official 2026 paper with current Chemistry practice. NeetVellum does not claim a chapter appeared in that paper until the official question and final key have been mapped.
What to master
conductance, electrochemical cells, the Nernst equation and electrolysis.
Original practice preview
These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.
Example 2 · difficulty 1/5
In a Daniell cell delivering current through an external wire, which description is correct?
- A. Copper is oxidised, and electrons move from copper to zinc.
- B. Zinc is reduced, and electrons move from copper to zinc.
- C. Copper is reduced, and electrons move from copper to zinc.
- D. Zinc is oxidised, and electrons move from zinc to copper.
Example 3 · difficulty 2/5
Which function is performed by the salt bridge in an operating galvanic cell?
- A. It permits ionic migration that limits charge accumulation in the half-cells.
- B. It carries electrons internally from the anode compartment to the cathode compartment.
- C. It supplies metal atoms for oxidation at the anode.
- D. It forces both electrode potentials to become equal while current flows.
The evidence-first practice loop
- 1. Verify provenanceOfficial paper and final key before accepting a PYQ label.
- 2. Attempt closed-bookExpose the concept or execution gap before rereading.
- 3. Repair and returnClassify the miss and re-practice after a delay.
Canonical chapter practice
Frequently asked questions
Are these official NEET 2026 Chemistry Electrochemistry PYQs?
No. The previews are original NeetVellum practice questions. A historical item receives a PYQ label only after its official paper and authoritative final answer key are attached. Use the official archive for the source paper.
How should I use the NEET 2026 paper?
Solve the official paper under its original timing, verify against the final key, classify every miss, and then use the linked current-syllabus practice bank to repair the exposed concept.