jee_main_2025_03_april_evening - Organic Chemistry - Some Basic Principles and Techniques Topics

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

Sample Questions in this Chapter

QUESTION #36 Dumas' Method for Nitrogen Estimation
In Dumas' method for estimation of nitrogen 0.4~g of an organic compound gave 60~mL of nitrogen collected at 300~K temperature and 715~mm~Hg pressure. The percentage composition of nitrogen in the compound is : (Given: Aqueous tension at 300~K = 15~mm~Hg)
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QUESTION #40 Hyperconjugation and Cation Stability
Given below are two statements: Statement I: Hyperconjugation is not a permanent effect. Statement II: In general, greater the number of alkyl groups attached to a positively charged C-atom, greater is the hyperconjugation interaction and stabilization of the cation. In the light of the above statements, choose the correct answer from the options given below :
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QUESTION #0 IUPAC Nomenclature of Multi-substituted Benzenes
What is the correct IUPAC name of the compound given below? {{IMG1}}
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QUESTION #0 Stoichiometry of Nitration
X~g of nitrobenzene on nitration gave 4.2~g of m-dinitrobenzene. The value of X is ________ g. (nearest integer) [Given: molar mass (in g~mol⁻¹ ) C: 12, H: 1, O: 16, N: 14]
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QUESTION #0 Isomerism in Benzene Derivatives
The total number of structural isomers possible for the substituted benzene derivatives with the molecular formula C₉H₁₂ is ________.
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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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