Class 12 · Chemistry
Solutions NEET Questions
100 verified questionsNCERT chapter mappedFree practiceAutomatic error log
Build recall in Solutions through active solving. This bank covers the complete chapter with original NEET-style MCQs, worked explanations and chapter-level NCERT provenance—without pretending original questions are previous-year questions.
Practice Solutions free →Question preview
Three examples from the live 100-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
A solution is prepared by dissolving 6 g of urea (molar mass 60 g mol⁻¹) in 178.2 g of water. The mole fraction of urea in the solution is:
- A. 0.01
- B. 0.10
- C. 0.99
- D. 0.001
Example 2 · difficulty 2/5
At a certain temperature, the Henry's law constant for argon dissolved in water is 40.3 kbar. If argon gas is bubbled over water at a partial pressure of 0.806 bar, the mole fraction of argon dissolved in the water is:
- A. 2 × 10⁻³
- B. 2 × 10⁻⁵
- C. 5 × 10⁻⁵
- D. 4 × 10⁻⁵
Example 3 · difficulty 3/5
Liquids A and B form an ideal solution. At 350 K, the vapour pressures of pure A and pure B are 450 mm Hg and 700 mm Hg respectively. For a solution of A and B whose total vapour pressure is 600 mm Hg, the mole fraction of A in the vapour phase is:
- A. 0.40
- B. 0.70
- C. 0.30
- D. 0.43
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many Solutions NEET questions are available?
NeetVellum publishes 100 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Solutions for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.