jee_main_2025_29_jan_evening - Organic Chemistry - Some Basic Principles and Techniques Topics

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Sample Questions in this Chapter

QUESTION #28 Chromatographic Techniques
Given below are two statements: Statement (I): In partition chromatography, stationary phase is thin film of liquid present in the inert support. Statement (II): In paper chromatography, the material of paper acts as a stationary phase. In the light of the above statements, choose the correct answer from the options given below:
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QUESTION #38 Sigma and Pi Bond Counting
Total number of sigma (sigma) and pi(pi) bonds respectively present in hex-1-en-4-yne are:
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QUESTION #49 Quantitative Estimation of Sulphur
In the sulphur estimation, 0.20text g of a pure organic compound gave 0.40text g of barium sulphate. The percentage of sulphur in the compound is x times 10^-1\%, where x = ________. (Molar mass: O=16, S=32, Ba=137text in g mol^-1)
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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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