Example 1 · difficulty 2/5
A weak monobasic acid has Λₘ = 39.0 S cm² mol⁻¹ at a certain concentration and Λₘ° = 390 S cm² mol⁻¹. What is its degree of dissociation at that concentration?
- A. 0.100
- B. 0.0100
- C. 0.900
- D. 10.0
2024 source guide · Chemistry
NEET 2024 Chemistry Electrochemistry Questions
Connect the official 2024 paper with current Chemistry practice without labelling original previews as PYQs.
250 original questions · explicit provenance labels
ChemistryPlate 19
NeetVellum atlas · fig. chemistry
19
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 3/5
A 0.0100 mol L⁻¹ solution of a weak monobasic acid has degree of dissociation 0.0400. Using Kₐ = cα²/(1 − α), what is its dissociation constant?
- A. 1.60 × 10⁻⁴
- B. 1.67 × 10⁻⁵
- C. 4.17 × 10⁻⁴
- D. 9.60 × 10⁻³
Example 3 · difficulty 4/5
At 298 K, a saturated solution of a sparingly soluble 1:1 electrolyte has conductivity 3.41 × 10⁻⁶ S cm⁻¹, while the water used has conductivity 1.60 × 10⁻⁶ S cm⁻¹. If the electrolyte’s Λₘ° is 138.6 S cm² mol⁻¹, what is its molar solubility?
- A. 7.66 × 10⁻⁵ mol L⁻¹
- B. 1.31 × 10⁻⁸ mol L⁻¹
- C. 1.31 × 10⁻⁵ mol L⁻¹
- D. 2.46 × 10⁻⁵ mol L⁻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 2024 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 2024 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.