Example 1 · difficulty 3/5
A reaction has equilibrium constant K = 4. What is K for the reverse reaction?
- A. 4
- B. 0.25
- C. 8
- D. 5
2019 source guide · Chemistry
NEET 2019 Chemistry Equilibrium Questions
Connect the official 2019 paper with current Chemistry practice without labelling original previews as PYQs.
250 original questions · explicit provenance labels
ChemistryPlate 92
NeetVellum atlas · fig. chemistry
92
What to master
chemical equilibrium, acids, bases, buffers, solubility and ionic equilibria.
Original practice preview
These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.
Example 2 · difficulty 2/5
For a gaseous reaction with Δn(gas) = 0, which relation is correct?
- A. Kp = Kc + RT
- B. Kp = Kc(RT)^-2
- C. Kp = Kc
- D. Kp = Kc(RT)^3
Example 3 · difficulty 2/5
For N₂ + 3H₂ ⇌ 2NH₃, what is the equilibrium response to a decrease in pressure by changing volume at constant temperature?
- A. toward NH₃
- B. no shift
- C. K increases
- D. toward N₂ and H₂
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 2019 Chemistry Equilibrium 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 2019 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.