Complete Chemistry Numerical Book with Solved Examples(New Syllabus Edition) for MDCAT/ECAT| XI Chemistry 2026

 

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If you’re a Class XI student looking for the best numerical book for Chemistry (2026 new syllabus), you’ve come to the right place. This post highlights the most recommended books filled with solved and unsolved numericals, clear explanations, and updated syllabus coverage. Whether you’re revising the mole concept, gas laws, chemical equilibrium, or stoichiometry, these books will help you understand, practice, and master numericals step by step. Perfect for students who want accuracy, clarity, and confidence in Chemistry calculations!

Discover the best XI Chemistry Numerical Book 2026 according to the new syllabus — packed with solved examples, step-by-step solutions, and practice questions to make physical chemistry easier for first-year students.

Tips & Tricks for Solving Gaseous State Numericals

1. Always write down given data clearly:
   Before starting, list all values: pressure (P), volume (V), temperature (T), and moles (n).

2. Convert units carefully:

   • Pressure: 1 atm = 101.3 kPa = 760 mmHg

   • Temperature: Always convert to Kelvin (°C + 273)

3. Use the Ideal Gas Law smartly:

   $$PV=nRT$$

   • R = 0.0821 L·atm/(mol·K)

   • Pick the R value according to units of P, V, and T.

4. Understand the type of problem:

   • Single gas law problem: Use PV = constant, V/T = constant, P/T = constant depending on what’s constant.

   • Mixture of gases: Use Dalton’s Law of Partial Pressure.

5. Temperature conversions matter:
   Always check if the problem gives °C or K. Mistake in temperature causes wrong answers.

6. Volume & pressure relations shortcuts:

   • Boyle’s Law (P₁V₁ = P₂V₂): P up → V down, P down → V up

   • Charles’s Law (V₁/T₁ = V₂/T₂): Temperature ↑ → Volume ↑

7. Moles & Mass Relation:
   Use $n=\frac{mas\mathrm{s/}}{Mola\mathrm{r }mass}$

8. ​Combine with PV = nRT if asked for pressure, volume, or temperature.

9. Keep a quick checklist for final answer:
   ✅ Units correct (L, atm, K, mol)
   ✅ Significant figures
   ✅ Temperature in K

10. Practice previous years’ questions:
    Most MCQs & numerical patterns repeat. Practice 10–15 solved examples before exams.

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XI Chemistry Numerical Book According to New Syllabus 2025 

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