Example 1 · difficulty 3/5
A conductivity cell has cell constant 0.80 cm⁻¹ and contains a solution of conductivity 4.0 × 10⁻³ S cm⁻¹. What resistance should be measured?
- A. 5.0 × 10⁻³ Ω
- B. 20 Ω
- C. 200 Ω
- D. 3.2 × 10⁻³ Ω
2022 source guide · Chemistry
NEET 2022 Chemistry Electrochemistry Questions
Connect the official 2022 paper with current Chemistry practice without labelling original previews as PYQs.
250 original questions · explicit provenance labels
ChemistryPlate 29
NeetVellum atlas · fig. chemistry
29
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 4/5
A solution of conductivity 8.0 × 10⁻³ S cm⁻¹ shows a resistance of 250 Ω between electrodes separated by 1.0 cm. What is the effective electrode area?
- A. 0.032 cm²
- B. 2.0 cm²
- C. 31.25 cm²
- D. 0.50 cm²
Example 3 · difficulty 2/5
At 298 K, the conductivity of a 0.0100 mol L⁻¹ electrolyte solution is 1.25 × 10⁻³ S cm⁻¹. What is its molar conductivity?
- A. 125 S cm² mol⁻¹
- B. 12.5 S cm² mol⁻¹
- C. 1.25 × 10⁻⁵ S cm² mol⁻¹
- D. 800 S cm² mol⁻¹
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 2022 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 2022 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.