jee_main_2025_24_jan_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 #30 Hybridization of Carbon
In the given structure, number of sp and sp² hybridized carbon atoms present respectively are : {{IMG1}}
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QUESTION #39 Directive Influence of Functional Groups
Identify the correct statement/s from the following options: (A) -OCH₃ and -NHCOCH₃ are activating groups (B) -CN and -OH are meta directing groups (C) -CN and -SO₃H are meta directing groups (D) Activating groups act as ortho- and para- directing groups (E) Halides are activating groups Choose the correct answer from the options given below :
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QUESTION #47 Isomerism
The possible number of stereoisomers for 5-phenylpent-4-en-2-ol is .
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QUESTION #49 Degree of Unsaturation
The hydrocarbon (X) with molar mass 80 g mol ⁻¹ and 90% carbon has ____ degree of unsaturation.
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QUESTION #50 Quantitative Elemental Analysis
In Carius method of estimation of halogen, 0.25 g of an organic compound gave 0.15 g of silver bromide (AgBr). The percentage of Bromine in the organic compound is ____ × 10⁻¹ % (Nearest integer). (Given : Molar mass of Ag is 108 and Br is 80 g 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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