jee_main_2025_28_jan_morning - Some Basic Concepts of Chemistry Topics

Master these core formulas and structures to solve almost any past paper question.

Sample Questions in this Chapter

QUESTION #47 Empirical Formula Calculation
Quantitative analysis of an organic compound (X) shows following % composition. C:14.5% Cl:64.46% H:1.8% The empirical formula mass of the compound (X) is x × 10⁻¹. The value of x is: (Given molar mass in g mol⁻¹ of C: 12, H: 1, O: 16, Cl: 35.5)
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QUESTION #48 Molarity of Solutions
The molarity of a 70% (mass/mass) aqueous solution of a monobasic acid (X) is ____M (Nearest integer) [Given : Density of aqueous solution of (X) is 1.25g mL⁻¹ Molar mass of the acid is 70g mol⁻¹]
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Rankbit System
JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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