Example 1 · difficulty 2/5
What is the correct IUPAC name of CH2=CH–CH2Cl?
- A. 3-Chloroprop-1-ene
- B. 1-Chloroprop-1-ene
- C. 1-Chloroprop-2-ene
- D. 3-Chloropropane
2020 source guide · Chemistry
NEET 2020 Chemistry Haloalkanes and Haloarenes Questions
Use this page to connect the official 2020 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
preparation, substitution, elimination and aryl-halide reactivity.
Original practice preview
These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.
Example 2 · difficulty 1/5
Which sequence correctly shows increasing carbon–halogen bond length in methyl halides?
- A. C–I < C–Br < C–Cl < C–F
- B. C–F < C–Cl < C–Br < C–I
- C. C–Cl < C–F < C–I < C–Br
- D. C–Br < C–I < C–F < C–Cl
Example 3 · difficulty 1/5
Which carbon–halogen bond has the greatest polarity because of the largest electronegativity difference?
- A. C–Cl
- B. C–Br
- C. C–F
- D. C–I
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 2020 Chemistry Haloalkanes and Haloarenes 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 2020 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.